Pad Refills (Pack of 6 Pads) - 19 1/2" x 29 1/2" x 1" Quantity:Default One way to overcome this

One way to overcome this problem is to increase the surface area of the filter media

built to last a lifetime

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This is designed to fit into 1" Return Air Grilles

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

Pad Refills (Pack of 6 Pads) - 19 1/2" x 29 1/2" x 1" Quantity:Default One way to overcome thisPACK 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.