Merv 8 Pleated Air Filter - 20" x 36" x 1" Quantity:12-pack these can be purchased in

these can be purchased in any conceivable size

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

Includes one Frame and PACK of 6 pads

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

we even have the odd sizes

Merv 8 Pleated Air Filter - 20" x 36" x 1" Quantity:12-pack these can be purchased inAny Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. 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.