Merv 8 Pleated Air Filter - 16 1/2" x 21 1/2" x 1" Quantity:12-pack The Pad and Frame Air

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

oxidation and deterioration

And there are no metal parts that could lead to corrosion or oxidation within the filter

The permanent frame is constructed of space-age plastics that are resistant to corrosion

degrade and restrict air flow

Merv 8 Pleated Air Filter - 16 1/2" x 21 1/2" x 1" Quantity:12-pack The Pad and Frame 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.