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Trade Size Trade Size | Show |
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Trade Size Trade Size | Hide |
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System of Measurement System of Measurement |
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Thickness Thickness |
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Filter Style Filter Style |
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![]() | Panel |
Air Filter Performance Air Filter Performance |
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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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For Use With For Use With |
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Frame Material Frame Material |
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Material Material |
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Maximum Temperature Maximum Temperature |
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MERV Filter Rating MERV Filter Rating |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Removes Particle Size Down To Removes ParticleSize Down To |
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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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Useful Life Useful Life |
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For Removing For Removing |
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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 | |||||||||
11 3/4 × 13 1/2 | 5 | 20% | 3 | Fiberglass | Cardboard | 180° | 12 | 00000000 | 000000 |