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Trade Size Trade Size | Show |
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Trade Size Trade Size | Hide |
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Filter Style Filter Style |
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![]() | Panel |
System of Measurement System of Measurement |
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Thickness Thickness |
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Material Material |
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Removes Particle Size Down To Removes ParticleSize Down To |
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Air Filter Performance Air Filter Performance |
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For Use With For Use With |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Air Filter Performance Air Filter Performance |
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Construction Construction |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Filter Efficiency @ 3 Microns Filter Efficiency @ 3 Microns |
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Frame Material Frame Material |
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Maximum Temperature Maximum Temperature |
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MERV Filter Rating MERV Filter Rating |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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For Removing For Removing |
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Useful Life Useful Life |
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About Air Filter Efficiency Ratings
More
Panel Air Filters

These filters are typically used as replacements in HVAC equipment.
All meet UL Classified flame retardance requirements. Actual size is up to 5/8” less than trade size.
Prefilters can be used as a standalone filter or a prefilter that guards your main filter. They’re an economical choice for protecting expensive filters that catch fine particles.
For technical drawings and 3-D models, click on a part number.
HVAC Filter Trade Size | MERV Filter Rating | Filter Efficiency @ 3 Microns | Removes Particle Size Down To, microns | Material | Frame Material | Max. Temp., °F | Pkg. Qty. | Pkg. | |
Prefilters | |||||||||
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1/2" Thick | |||||||||
8 3/8 × 11 1/4 | 5 | 20% | 3 | Fiberglass | Cardboard | 180° | 12 | 0000000 | 000000 |