Merv 8 Pleated Air Filter - 20" x 24" x 1" Quantity:12-pack To find the size the

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

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Either way

so it can provide a lifetime of dependable service

degrade and restrict air flow

Merv 8 Pleated Air Filter - 20" x 24" x 1" Quantity:12-pack To find the size theAny 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.