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Pre Pleat Class 1
UL 900 Class 1 Pleated Filter
Standard Capacity: 85855.xxxxxx
High Capacity: 85955.xxxxxx
Important Features
• UL 900 Class 1 for flammability
• Easily disposable
• Offered in all standard face sizes,
2” depth
• High lofted glass pleated media
• Nominal 50% ASHRAE efficiency
• MERV 8
General
This pleated air filter is designed for applications
where a UL Class 1 fire rated filter is required and
metal frame filters are unsuitable because of dis-
posal problems. The Pre Pleat Class 1 pleated air
filter has been tested by Underwriters Laboratories,
Incorporated and found to meet the stringent per-
formance characteristics of a Class 1 air filter for
flammability, as outlined in Standard 900. Class 1
air filter units are described as "Those that, when
clean, do not contribute fuel when attacked by
flame and emit only negligible amounts of smoke.”
Construction
The filter consists of a nominal 50% dust spot effi-
ciency micro-fine fiberglass filtration media that has
been bonded to a corrosion-resistant expanded
metal backing, and then pleated into either stan-
dard or high capacity packs. Each pack is encased
and sealed within a die-cut frame which is manu-
factured of special mineral-filled board to resist
flammability.
Pre Pleat Class 1 pleated air filters are offered in
two inch depth in all of the most popular face sizes.
St. Cap. Std. Cap. High Cap. High Cap.
cfm cfm Resistance Resistance Resistance Resistance
@300 fpm @ 500 fpm @ 300 fpm @ 500 fpm @ 300 fpm @ 500 fpm
12x24x2 600 1000 .36 .64 .30 .50
16x20x2 667 1111 .36 .64 .30 .50
16x25x2 833 1389 .36 .64 .30 .50
20x20x2 833 1329 .36 .64 .30 .50
20x24x2 1000 1667 .36 .64 .30 .50
20x25x2 1041 1736 .36 .64 .30 .50
24x24x2 1200 2000 .36 .64 .30 .50
Flanders - Foremost in Air Filtration
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