Pad Refills (Pack of 6 Pads) - 18 3/8" x 23 3/8" x 1" Quantity:Default allowing the grease to drain

allowing the grease to drain into through below

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

28X Increased Efficiency

some just refer to them as electrostatic filters

than standard fiberglass filters purchased at retail outlets

Pad Refills (Pack of 6 Pads) - 18 3/8" x 23 3/8" x 1" Quantity:Default allowing the grease to drainPACK of 6 pads for Pad and Frame Air Filters Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail outlets. Filtering inserts are shipped in an easily stored packet.