Merv 11 Pleated Air Filter - 12" x 12" x 2" Quantity:12-pack The permanent frame is constructed

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

This design enables A+2000 custom air filters to maintain performance over the years

than standard fiberglass filters purchased at retail outlets

Because we specialize in custom air filters

Either way

Merv 11 Pleated Air Filter - 12" x 12" x 2" Quantity:12-pack The permanent frame is constructedAny 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.