Pad Refills (Pack of 6 Pads) - 18 1/2" x 20 3/4" x 3/4" Quantity:Default They are easy to clean

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

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

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

with each stage capturing progressively smaller particles inside the filter

Pad Refills (Pack of 6 Pads) - 18 1/2" x 20 3/4" x 3/4" Quantity:Default They are easy to cleanPACK 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.