Merv 8 Pleated Air Filter - 23 1/2" x 29 1/2" x 1" Quantity:4-pack degrade and restrict air flow

degrade and restrict air flow

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

In general

To order washable electrostatic custom air filters you just need to know the size of the current air filter

Merv 8 Pleated Air Filter - 23 1/2" x 29 1/2" x 1" Quantity:4-pack degrade and restrict air flowAny 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.