Merv 11 Pleated Air Filter - 20" x 22" x 1" Quantity:12-pack This is a 5" MERV

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Instead of face loading (particles captured on the outer surface of the filter)

Unlike some permanent custom air filters

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

Merv 11 Pleated Air Filter - 20" x 22" x 1" Quantity:12-pack This is a 5" MERVAny 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.