Merv 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack Filtering inserts are shipped in

Filtering inserts are shipped in an easily stored packet

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PACK of 6 pads for Pad and Frame Air Filters

degrade and restrict air flow

such as dust

Merv 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack Filtering inserts are shipped inAny 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.