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Details

American Air Filter 220-294-051
Designed for general air filtration applications with light to medium dust loading conditions, StrataDensity
disposable panel filters are engineered for sturdy, economical performance and ease of use. Available in a
wide range of sizes and two thickness configurations, StrataDensity filters are used in all types of HVAC
systems to protect the coils from dirt. They are also used as prefilters to extend the life of higher efficiency
filters.

INDUSTRY'S LEADING COMMERCIAL DISPOSABLE PANEL FILTERS
• High Arrestance
StrataDensity filters are constructed with AAF manufactured premium grade fiberglass media. More fibers
ensure StrataDensity filters have higher arrestance and clean air better than competitive filters.

• High Dust Holding Capacity
The media is coated with a light adhesive to increase the amount of dirt the filters canhold. Higher dust
holding capacity means longer service life and lower operating costs

• 40x magnification shows the spun fiberglass skin of the StrataDensity filter pad.

STURDY CONSTRUCTION, LONGER FILTER LIFE
• Compression Resistant, Double-Skinned Media
The double-skinned media design eliminates the need for scrim or metal retainers by building the strength
requirements into the fiberglass. Through the use of computer automation, the fibers can now be spun in a
pattern that actually duplicates the holding strength of scrim type retainers. The double-skinned fiberglass
retainer also provides a better adhesive bond to the frame because it is spun into the media. This new
technology has produced a superior product without additional cost.

Compression resistant glass fibers decrease media pad deterioration allowing a normal rise in resistance as
the filter collects dirt particles. A slower rise in resistance extends the life of the filter.

• Frame Strength
A continuous adhesive bond between the media pad and chipboard frame maximizes construction strength
to reduce handling damage and permit longer storage life.

DESIGNED FOR EASY HANDLING AND DISPOSAL
The chipboard filter frame, free of sharp edges, makes the panel easy to install and remove. After removal,
the filter can be safely folded for compact disposal.

PERFORMANCE INFORMATION
Rated Initial Resistance (inches in W.G.)
1" 2"
@300 FPM .10 .13
@500 FPM .20 .28
@625 FPM NA .38

Recommended final resistance is .50" w.g. for each thickness.

Average Arrestance @ 300 FPM
1" 2"
70-75% 80-85%

Rated MERV 4

All performance data is based on the ASHRAE 52.1-1992 test method. Performance tolerances conform to
Section 7.4 of ARI Standard 850-93.

Underwriters Laboratories Classification
StrataDensity filters are UL Class 2. Testing
was performed according to UL standard 900 and CAN-4-S111.

Operating Temperature Limits
StrataDensity filters are designed for continuous operating temperatures up to 150F (66C).

Attributes/Specifications

Size 12 x 18 x 1
Manufacturer AMERICAN AIR FILTER

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