Merv 11 Pleated Air Filter - 13 3/4" x 23 3/4" 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

so it can provide a lifetime of dependable service

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

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

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

Merv 11 Pleated Air Filter - 13 3/4" x 23 3/4" 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.