Pad Refills (Pack of 6 Pads) - 9 1/2" x 9 1/2" x 3/4" Quantity:Default You never have to hassle

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

In general

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

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

To find the size the old unit should have sizing information printed on it

Pad Refills (Pack of 6 Pads) - 9 1/2" x 9 1/2" x 3/4" Quantity:Default You never have to hasslePACK 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.