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About Air Filter Efficiency Ratings
Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.
Reusable Air Filter Pads
Wash and reuse these pads. Cut to the size you need.
These pads meet UL 900 flame retardance requirements.
Polyurethane pads with more pores per inch catch smaller particles than pads with fewer pores per inch.