Merv 13 Pleated Air Filter - 9 1/2" x 35 1/2" x 1" Quantity:12-pack One way to overcome this

One way to overcome this problem is to increase the surface area of the filter media

Simply cut a hole

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

Unlike some permanent custom air filters

Then simply add that information to our easy to use order form above

Merv 13 Pleated Air Filter - 9 1/2" x 35 1/2" x 1" Quantity:12-pack One way to overcome thisAny 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.