AAF PORTA Dry Gas Scrubber Instruction Manual
- June 1, 2024
- AAF
Table of Contents
THE WORL D LEADER IN
CLEAN AIR SOLUTIONS
SAAF™ PORTA-Scrubber
INSTALLATION, OPERATION,
AND MAINTENANCE INSTRUCTIONS
Introduction
1.1 About This Document
This document contains the information necessary to properly receive,
assemble, install, operate, and maintain the SAAF™ PORTA-Scrubber filtration
system. The purchaser, installer, and/or operator of the filtration system
MUST read and comply with this document in its entirety prior to installation
of the equipment and its operation. Failure to comply with the requirements of
this manual may void the product warranty.
CAUTION: These instructions are specific to the SAAF PORTA-Scrubber and
SAAF Chemical Filtration Media. All ancillary tasks including, but not limited
to, electrical and mechanical work, equipment handling, and safety procedures
must be performed in accordance with industry accepted practice and all
relevant local, state, and federal government codes, laws, and policies.
1.2 Packaging and Shipping, Receiving and Inspection, Handling and
Storage
1.2.1 Packaging and Shipping: Unless otherwise defined in the purchase
order and agreed by AAF Flanders, the PORTA-Scrubber and filters are packaged
for domestic transit and shipped FOB the AAF factory.
The method of shipment will be as specified in the customer’s purchase order
to AAF.
1.2.2 Receiving and Inspection: Obtain a copy of the purchase order and
product drawing that was submitted by AAF in association with the order, and a
copy of the bill of lading, along with any other shipping papers.
Upon receipt of the equipment, or any part thereof, these documents shall be
used to ensure that the correct product has been received
For maximum protection, complete the following steps upon receipt of the
PORTA-Scrubber and chemical media:
- Inspect the shipment and all associated documentation. Notify the carrier immediately if there is any visible damage to the packaging or the equipment, or a discrepancy in the shipping papers. If necessary, file an immediate claim with the carrier against such damage or discrepancy.
- Confirm that the equipment received agrees with the contents of the shipping papers.
- Confirm that the shipping documents agree with the purchase order. Refer to the product drawing submitted for the order as necessary.
- If it is determined that any equipment ordered on the purchase order has not been delivered and is not accounted for in the shipping papers, contact AAF immediately by calling 1-800-223-2003. Reference the AAF control number, which will be listed on the shipping papers.
Each shipment may include:
- One or more individually packaged PORTA-Scrubbers.
- PolyKlean™ Blue filter pad.
- Packaged chemical filtration media.
Note that the PORTA-Scrubber, PolyKlean Blue filter, and gas-phase media may ship from different locations and be received at different times.
1.2.3 Handling and Storage: Following receipt, inspection, and acceptance
of the equipment, and prior to installation, the PORTA-Scrubber, the
particulate filters, and chemical media should be handled with great care. The
PORTA-Scrubber ships
mounted on a pallet for protection during shipping and handling It is
recommended that it remain on its pallet until it has been moved to its final
installation location. PORTA-Scrubbers may be moved using a fork-lift.
WARNING: The tank cover top will not support the weight of the unit. Any
attempt to lift the PORTA-Scrubber from the cover may result in serious
equipment damage and severe personal injury. Do not walk on the top of the
unit or use the top for storage of materials.
The components shall be retained and stored in their protective packaging
until immediately prior to installation. Care should be taken to ensure that
the packages are not dropped or subjected to any impact loads.
At all times the equipment should be protected from exposure to weather. The
equipment should be stored in a clean, dry, temperature-controlled
environment. All items should be stored on pallets so that they are elevated
above grade. Particulate filters and chemical filtration media should not be
stacked more than three (3) cartons high to prevent crushing. The gas-phase
media ships inside a carton enclosed in transparent protective plastic. Under
no circumstances should the filters be removed from this plastic protection
until immediately prior to installation.
Filter products should not be stored in areas where they may become
contaminated by any chemicals, including acids or alkali’s, in liquid, vapor,
or gaseous form.
1.3 Product Descriptions
1.3.1 PORTA-Scrubber: Each PORTA-Scrubber when received should be
individually mounted on a shipping pallet and wrapped in plastic for
protection during shipping. During use, contaminated air enters the bottom of
the tank and travels up past a particulate filtter and through the chemical
media before being discharged from the top of the unit. The PORTA-Scrubber can
be supplied in two airflow sizes, 200 and 500 cubic feet per minute (CFM), and
in two models, powered and non-powered. Depending on application, different
types of SAAF chemical filtration media can be installed (see 1.3.2 for
detalils).
1.3.2 Gas-Phase Chemical Media: Gas-phase chemical media is shipped in
plastic bags within cardboard cartons or sling bags. The carton shown below
has dimensions of 12″ high x 12″ width x 12″ deep and contains one cubic foot
of SAAF chemical media. The weight of cartons will vary between 30 and 50
pounds,depending on the chemical media required.
SAAF Chemical Media | Target Contaminants |
---|---|
SAAFOxidant™ | H2S, SO2 |
SAAFCarb™ | Volatile Organic Compounds (VOCs), |
NO2, Hydrocarbons (HC), Mercaptan
SAAFBlend™ GP| H2S, SO2, VOCs, HC, Mercaptan
SAAFCarb™ MA| H2S, SO2, Mercaptan
SAAFCarb™ MA.HT| Maximum H2S removal, Mercaptan
SAAFCarb™| 3, amines
SAAFCarb™ MC*| Cl2, HCl
*PORTA-Scrubbers designed for chiorine applications require special corrosion-resistant materials. Contact your AAF representativefor detalls.
Figure 1.3.2: Typical carton box, 12″ high x 12” wide x 12″ deep
1.3.3 Particulate Filters: The standard particulate prefilter will be AAF
PolyKlean Blue pads. Depending on the size of the PORTA-Scrubber ordered, a
round 24″ diameter x 2″ deep or around 37″ diameter x 2″ deep may be supplied
PolyKlean Blue 2″ deep filters are individually packaged.
Note that other optional or special filter arrangements may be supplied,
depending on the requirements of the project. Check the purchase order and the
AAF submittal drawing(s) for details.
1.4 Product Model Designations
The PORTA-Scrubber model is designated as follows:
Table 1: Examples of Typical PORTA-Scrubber Sizes
Size designation| Height (in.)| Diameter (in.)| Inlet Size
(in.)
---|---|---|---
PS-200| 51 ¼| 22 ¼| 4”
PS-500| 64 3/4| 35 ¼| 6”
This list by no means exhausts the possibilities, and the system provided may
be different from those shown here.
Consult the AAF drawing that was supplied on the purchase order in question.
1.5 Product Drawings
Details of standard PORTA-Scrubber systems are shown on the following AAF
Flanders drawings:
Model AAF | Drawing Number |
---|---|
PS-200 | 123B-3052941-D |
PS-200NP | 123B-3040821-F |
PS-500 | 123B-3040789-F |
PS-500NP | 123B-3040839-F |
Copies of the appropriate drawings should have been supplied as part of the AAF submittals in response to the purchase order. Obtain and review the drawing(s) before proceeding with the installation of the filtration system. The PORTA-Scrubber drawings include the following details:
- Overall filter system dimensions
- Shipping weights
- Operating weights
- Sizes and quantities of the particulate and gas-phase filters required
- Details of the gas-phase chemical media supplied
- Details of the particulate filters supplied
- System design airflow
- Pressure losses across the filter system at nominal airflow design velocities
- Product details
If you are unable to locate the appropriate drawing, please contact customer service at 888.223.2003 to obtain a copy.
1.6 Assembly — General Comments
As indicated previously, the individual components that will comprise the
filtration system may ship separately and will be required to be installed
onsite. The SAAF PORTA-Scrubber is a self-contained product and, consequently,
a minimum amount of assembly is required. Refer to section 3.0, Installation
Instructions, of this manual for further detailed instructions.
Consult with an experienced installer to obtain an accurate estimate of the
time, personnel, and equipment resources and tools that will be required to
complete the assembly and installation of the filter system. Site assembly
will be limited to moving and lifting individual components, screwing
components together, and caulking. The PORTA-Scrubber weights and dimensions
can be found on the product drawings. Packages of the chemical media will
typically have a maximum weight of approximately 50 pounds (23kg). Particulate
filters will typically weigh less than the chemical media filters.
Completion of the following preparations and provision of the following items
will be the responsibility of the installer or others:
- Site preparation
- Connecting hardware for attaching inlet and outlet ducts
- Caulk, as required
- Inlet and outlet ducts, or other sheet metal parts, as required
These items will not be supplied by AAF unless noted specifically in the AAF Flanders quotation and in the accepted customer purchase order. In general, assembly of the filter system will consist of the following:
- Preparation of the installation location
- Transportation of all components to the installation location
- Unpacking the PORTA-Scrubber
- Installing the PORTA-Scrubber
- Installing inlet and outlet ducts
- Unpacking particulate filters
- Installing particulate filters
- Unpacking chemical media
- Installing chemical media
- Cleaning the site
- Start-up and commissioning of the filter system
1.7 Related System Equipment
Ventilation systems can include other equipment, including but not limited to:
- Fan(s), if not supplied as part of the PORTA-Scrubber
- Dampers
- Analog instrumentation
- Electronic instrumentation and controls
Neither the interface of these items with the filtration system supplied by AAF, nor the installation, operation, and maintenance of these items, is covered in this manual. Whether these items are supplied by AAF or by others, consult the documentation specific to these products for appropriate instructions.
Principles of Operation
An understanding of the design and operating principle of the PORTA-Scrubber
with chemical media is useful for effective installation, operation, and
maintenance. The system is intendedto remove corrosive and odorous gaseous
contaminants from sewage pumping stations, laboratory vent hoods, and pressure
relief valves of chemical storage tanks.
WARNING: Chemical tank on other high concentration applications may
require constant airflow and other special operating instructions. Ensure that
the design operating instructions are followed
The heart of the system is the SAAF chemical media. The PORTA-Scrubber is a
small High Density Polyethylene (HDPE) vessel that allows air to move across
the chemical media bed in an upward direction. The method of contaminated
removal is through physical adsorption or a combination of physical adsorp-
tion and chemical reactions, such as oxidation. AAF offers a variety of
impregnated and un-impregnated dry granular chemical filtration media to
handle a wide range of contamination problems. For more information on AAF
Flanders’ gas-phase air cleaning products, contact your AAF representative.
The SAAF PORTA-Scrubber is one of the various systems designed to support the
SAAF chemical media in the air stream, allowing easy installation, operation,
and maintenance of the system.
CAUTION: All dry chemical media has the potential to generate a small
amount of dust in the exhaust. If your scrubber will be located indoors
without external exhausting, you will require additional particulate
filtration on the exhaust.
Solutions can range from an additional PolyKlean Blue pad downstream of the
media bed to a separate filter box.
Installation Instructions
Consult the product drawing(s) submitted on this order before proceeding.
3.1 Space Requirements
A minimum of 24” clear space must be available around the PORTA-Scrubber to
perform routine maintenance. Additionally, itis recommended that 36″ clear
space be available in at least one direction. Additional space may be required
for inlet and outlet ductwork:
3.2 Foundation, Supports, and Anchoring
The foundation and/or supports must be designed to be adequate to support the
filter system operating weight, and any seismic, live or other load
requirements (if any), with a sufficient factor of safety as determined to
comply with the requirements of all applicable governing codes, standards, and
laws. Ensure that the foundation or support surface is level and smooth before
proceeding. The filtration system may be designed for operation in either
indoor or outdoor locations. Indoor applications may require additional
particulate filtration. The equipment is not specifically designed to resist
and operate under unusual dynamic loading situations, such as high winds or
earthquake
3.4 General Filter System Installation
3.4.1 Installing the PORTA-Scrubber: Keeping the PORTAScrubber on its
shipping pallet, move it to its final installation location. Remove the
plastic wrapping and straps that secure the PORTA-Scrubber to its pallet.
WARNING: The tank lid will not support the weight of the unit. Any
attempt to support the unit from the tank lid may result in serious equipment
damage and severe personal injury. Do not walk on the top of the unit or use
the top for storage of materials.
3.4.2 Locating, Mounting, and Supporting the
PORTA-Scrubber: Position the PORTA-Scrubber in its final installation
location. The support surface under the base of the frame should be level,
smooth, clean, and dry. The location should not be subject to standing water
or flooding. The circumference of the tank base should be fully supported
Adjust the supports so that the base is level in all directions.
Provision for the anchoring hardware, support cradles, or any other supporting
components will be the responsibility of the installer or others. These items
will not be supplied by AAF Flanders unless noted specifically in the AAF
Flanders quotation and in the accepted customer purchase order.
3.4.3 Connection of inlet and outlet ducts: Inlet and outlet ducts, when
required, should be connected to the inlet and outlet faces of the housing
WARNING: The housing is not designed to support the weight of the inlet
and outlet ducts. All ducts should be supported independently of the housing.
Any attempt to support the ducts from the housing may result in serious
equipment damage and severe personal injury.
3.4.4 Sealing the inlet and outlet duct connections: A flexible coupling
with stainless steel clamps is provided. All other provisions of the inlet and
outlet ducts, the connecting hardware for the inlet, and the gaskets or caulk,
will be the responsibility of the installer or others. These items will not be
supplied by AAF Flanders unless noted specifically in the AAF quotation and in
the accepted customer purchase order.
Caulk generously between the flanges of the connecting ducts and the housing
to prevent air leaks. Any caulk used should be a long-life, flexible, non-
drying caulking material. The caulk supplier should ensure that the caulk
meets the customer specifications for the application in which it is used.
CAUTION: Many installations prohibit the use of certain caulking
materials, such as Silicone. The use of materials containing VOCs should also
be avoided, as they may have a negative effect on the life of the gas-phase
filters.
3.5 Preparation for filter installation: In order to maximize the life of
the chemical filters and the particulate filters, it is recom- mended that
filter installation be the final installation task before start-up and
commissioning of the system. In preparation for filter installation, it is
recommended that the following be completed:
- Completely clean the system to remove all construction debris and dirt, and sweep and vacuum to remove visible dirt.
- Finalize and complete all caulking in the system.
- Finalize and complete all painting in the system.
It is recommended that all cleaning materials and paints used in the system be
free of solvents. If this is unavoidable, it is recommended that sufficient
time be allowed for complete drying to occur and for the VOCs to disperse
before installing the filters.
This process can be accelerated by “blowing down” the system, i.e., operating
the fan without the filters to ventilate the system.
Consult with your AAF representative to obtain an appropriate product. Also,
before “blowing down” the system, check that it is safe to operate the fan
without the pressure load of the gas-phase chemical filters. Consult the AAF
Flanders submittal drawing for pressure information.
3.6 Prefilter Installation: A PolyKlean Blue filter pad should be used to
prevent the buildup of dust, grease, and water on the gas-phase chemical
media.
Install the prefilters as shown in the sequence shown below. For best results,
AAF Flanders recommends the use of the 2 thick PolyKlean Blue filter media.
Circular PolyKlean Blue pads will be cut with a 2″ overlap.
Equipment Size | PolyKlean Blue Replacement Pad Part Number |
---|---|
PS-200 | 358-012-024 |
PS-500 | 358-012-037 |
Remove the polypropylene perforated screen from the bottom of the tank. Place the PolyKlean Blue pad directly onto the HDPE grating at the bottom of the vessel. Ensure that there are no gaps between the filter pad and the side wall of the tank. Place the polypropylene perforated screen on the PolyKlean Blue pad.
Step 1: Start with the tank empty and the HDPE grating exposed. Step 2: Place the PolyKlean™ Blue pad on the HDPE grating. Step 3: Place the perforated screen on the PolyKlean™ Blue pad.
3.7 Installation of Media in the PORTA-Scrubber
There are several varieties of chemical media. Each mediais designed to remove
a specific contaminant, or group of contaminants. The arrangement of media in
the scrubber is significant. Media bed #1 is located closest to the inlet.
Review the drawing and ensure media is being placed in the correct bed.
Respirator masks, chosen in accordance with the safety instructions found in
the Material Safety Data Sheets (MSDS) for the chemical media, are required to
be worn by all personnel during the media installation process, as well as all
other personal safety equipment listed on the MSDS.
Installing Media by Carton:
Loosen latch and remove top hatch. Gradually pour the media in a controlled
manner. Avoid causing significant impact loading by gradually metering the
media into the PORTA-Scrubber. Media should be filled no higher than 4 inches
from the tank lid.
3.8 Latches on Tank Cover
Place the cover on the PORTA-Scrubber tank and latch the cover as shown.
3.9 Fans
Sometimes the PORTA-Scrubber may be supplied with an externally mounted
blower. See the AAF drawing for information and details. Blowers can be fitted
with an optional power cord with a 115-volt plug.
CAUTION: Al electrical work must be carried out in accordance with all
appropriate governing electrical codes and standards.
3.10 Standard Motors
Model | Voltage | Hertz | Phase | Horsepower |
---|---|---|---|---|
PS-200 | 115-230 | 60 | 1 | 0.5 |
PS-500 | 115-230 | 60 | 1 | 3.0 |
WARNING: All electrical work has the potential to cause shock, injury,
and even death. Disconnect all power whenever working on the system. Only
qualified electrical personnel should work on the system at any time.
Provide an appropriate power supply as specified in the submittal information.
CAUTION: Use of incorrect line voltage may result in irreparable damage
to electrical components.
Start-Up Instructions
Immediately on start-up, examine the filter system for any apparent air leaks
or other anomalies. Air leaks may be detected by noise or by use of a
synthetic smoke puffing device at the external joints and seams of the filter
system installation.
Correct or repair any discrepancies as necessary. Repeat this examination
after 24 hours of operation and again after one week of operation.
Maintenance
5.1 PolyKlean Blue filter
A PolyKlean Blue pad has been included as part of the system.
Under normal conditions, the filter can be expected to last between 10 and 12
months before reaching its final recommended capacity loading (see the AAF
drawings for details).
However, this may vary under heavier or lighter particulate loading
conditions. At an air velocity of 75 feet per minute, the 2″ deep PolyKlean
Blue pad can be expected to have an initial pressure drop in the range of less
than 0.1” water gauge. The recommended final pressure drop is 1.0 in. w.g.
However, it is recommended that the PolyKlean Blue pad be replaced whenever
new chemical media is installed.
5.2 Chemical Media Monitoring
A discussion of sophisticated chemical media monitoring is beyond the scope of
this manual. Put simply, when the system is used to remove nuisance odors, the
time to change out the chemical media is when the odor begins to be regularly
detected on the clean side of the system. In more stringent applications,
active real time electronic and passive coupon corrosion monitoring systems
are available to determine the performance of the system. The remaining life
of the media can be determined by taking a sample
of media and returning it to AAF for analysis. Consult with your AAF
representative regarding active and passive monitoring systems and media
sampling for remaining life analysis.
5.3 Removal and Replacement of Particulate and Gas-Phase Chemical Media
Before removing activated carbon media, it is recommended that the media bed
be grounded to release any electrostatic discharge Removal of filters will be
the reverse of the installation process described earlier in this manual.
Filter and media replacement will be carried out exactly the same way as at
initial installation.
Reference appropriate safety precautions related to specific gases being
handled at the facility and any operation instructions developed during the
design phase of the project.
5.4 Disposal of Used Filters
Used chemical filtration media and particulate filters should be packaged and
disposed of in full accordance with all required and applicable laws and
regulations. Consult with local environmental control authorities, such as
local, state, and federal EPA & OSHA
authorities, for direction. MSDS are available for all products supplied by
AAF. Contact your AAF representative for further information.
5.5 Cover Lid Sealing Gaskets
The proper maintenance of the cover lid sealing gaskets is critical to the
performance of the system. Check the gaskets carefully whenever the gas-phase
chemical filters are replaced.
If gaskets are worn, frayed, or damaged in any way, they should be replaced.
Check the seal between the lid and the tank whenever new SAAF chemical media
is installed
5.6 General System Maintenance
Ducts, external PORTA-Scrubber surfaces, latches, blower, and other system
infrastructure should be checked at least every 6 months. Internal surfaces
should be examined whenever filters are replaced. Examine all components for
the following:
5.6.1 Cleanliness: Sweep and vacuum all standing dust or dirt in the
system. If using cleaning solvents, be mindful of the impact of solvents on
the performance and life of the chemical media and take appropriate
precautions to protect the system.
5.6.2 Water: The system should be completely dry at all times.
The presence of standing water, condensation, or dampness is detrimental to
the performance and life of the system.
Determine and remove the cause of the presence of water in the system, dry the
system, and examine all components for the presence of molds and other
biological growth. Remove all contamination, and clean and sterilize as
necessary.
5.6.3 Filter System Integrity: Ensure that the unit contains the
appropriate filter elements, both particulate and gas-phase, and that these
elements are correctly installed. Check for missing or improperly installed
components and review the system seals.
Check for air leaks at joints and seams, and replace gaskets and worn
hardware, and seal with caulk as necessary.
5.6.4 Duct and System Integrity: Examine the entire system to ensure that
contaminated air cannot leak around the filter system. Check all perimeter
seals and repair as necessary.
5.6.5 Corrosion: If metal components are corroded, repair the corrosion
and provide protective coatings as necessary.
Be mindful of the impact of painting on the performance and life of the
chemical media, and take appropriate precautions to protect the system.
Determine the source of the corrosion and rectify.
Troubleshooting
Potential problems and causes listed are in no order of importance or priority. The causes are only alist of the most common items to check to correct a problem. If you find the cause of a problem, DO NOT assume it is the only cause of that problem. Different problems can have the same cause.
Problem | Cause |
---|---|
Odors and Smells | 1.Chemical media is spent. |
2.Missing or damaged filters.
3.Incorrect media installed.
Airflow (CFM) Too Low| 1.Blower wheel turning in wrong direction.
2.Actual system static pressure is higher than expected.
3.Motor speed (RPM) too low.
4.Dampers or valves not adjusted properly.
5.Leaks or obstructions in duct work.
6.Filters dirty.
7.Inlet and/or discharge guards are clogged.
8.Duct elbow too close to blower discharge.
9.Improperly designed duct work.
10.Condensation of moisture blinding the particulate and/or chemical media.
11.Presence of moisture in the filters combined with freezing temperatures can
cause the filters to become impassible.
Airflow (CFM) Too High| 1.Actual system static pressure is lower than
expected.
2.Motor speed (RPM) too high.
3.Alters not in place.
4.Dampers or valves not adjusted properly.
Excessive Vibration| 1.Loose mounting bolts, wheel set screws, taper-lock
hubs.
2.Worn or corroded blower wheel.
3.Accumulation of foreign material on blower wheel.
4.Bent motor shaft.
5.Worn motor bearings.
6.Motor out of balance.
7.Inadequate structural support.
8.Support structure not sufficiently cross braced.
9.Weak or resonant foundation.
10.Foundation not flat and level.
Motor Overheating| NOTE: A normal motor will operate at 174°F.
1.Actual system static pressure is lower than expected.
2.Voltage supplied to motor is too high or too low.
3.Motor speed (RPM) too high or defective motor.
4.Air density higher than expected.
5.Motor wired correctly or loose wiring connections.
Excessive Noise| 1.Wheel rubbing inside of housing.
2.Worn or corroded blower wheel.
3.Accumulation of foreign material on blower wheel.
4.Loose mounting bolts, wheel set screws, or taper-lock hubs.
5.Bent motor shaft.
6.Worn motor bearings.
7.Motor out of balance.
8.Motor bearings need lubrication.
9.System resonance or pulsation.
Fan Doesn’t Operate| 1.Motor wired incorrectly or loose wiring connections.
2.Incorrect voltage supply.
3.Defective fuses or circuit breakers.
4.Power turned off elsewhere.
5.Defective motor.
Spare Parts List
It is recommended that the following spare parts be stored at the installation site for routine maintenance purposes. The quantities required will depend on the size of the system. Consult with your AAF Flanders representative to determine actual quantities required. Minimum recommended quantities are provided in the table below.
AAF Part Number | Description | Recommended Spares |
---|---|---|
Refer to the original customer purchase order and the AAF submittal drawing | ||
SAAF chemical media | One full replacement included in the system | |
358-012-024 | PORTA-Scrubber 200 | One replacement included in the system |
358-012-037 | PORTA-Scrubber 500 | One replacement included in the system |
Equipment Characteristics, Dimensions, Operating Weights, and Shipping
Weights
PORTA-Scrubber Shipping & Operating Weights*
Model| Shipping Weight| Operating Weight
PS-200| 105 lbs (47 kg)| 280 lbs (168 kg)
PS-200NP| 55 Ibs (25 kg)| 230 Ibs (105 kg)
PS-500| 210 lbs (95 kg)| 805 lbs (358 kg)
PS-500NP| 175 Ibs (79 kg)| 770 Ibs (336 kg)
*Based on using media with a density of 35 Ib/ft3. Depending on selection, media density may vary.
AAF ntemational has a polcy of continuous product research and improvement We
reserve the ight to change design and specifications without notice.
9920 Corporate Campus Drive, Suite 2200,
Louisville, KY 40223-5690
888.223.2003 Fax 888.223.6500 aafintl.com
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