Pad Refills (Pack of 6 Pads) - 24 1/2" x 27 1/2" x 1" Quantity:Default Filtering inserts are anti-microbial and

Filtering inserts are anti-microbial and are more efficient in capturing particles

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You never have to hassle with disposable filters that will end up in a landfill again

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

the greater it's resistance to airflow

Pad Refills (Pack of 6 Pads) - 24 1/2" x 27 1/2" x 1" Quantity:Default Filtering inserts are anti-microbial andPACK 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.