Merv 11 Pleated Air Filter - 28" x 33 7/8" x 1" Quantity:12-pack we even have the odd

we even have the odd sizes

and the greater the pressure drop it creates

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

so it can provide a lifetime of dependable service

Merv 11 Pleated Air Filter - 28" x 33 7/8" x 1" Quantity:12-pack we even have the oddAny 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.