Merv 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack Unlike some permanent custom air

Unlike some permanent custom air filters

some just refer to them as electrostatic filters

PACK of 6 pads for Pad and Frame Air Filters

such as dust

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 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack Unlike some permanent custom airAny 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.