Merv 8 Pleated Air Filter - 20 1/4" x 23 1/4" x 1" Quantity:12-pack some just refer to them

some just refer to them as electrostatic filters

To learn more

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

Includes one Frame and PACK of 6 pads

oxidation and deterioration

Merv 8 Pleated Air Filter - 20 1/4" x 23 1/4" x 1" Quantity:12-pack some just refer to themAny 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.