Merv 8 Pleated Air Filter - 17 1/2" x 19" x 1" Quantity:12-pack Because we specialize in custom

Because we specialize in custom air filters

Unlike some permanent custom air filters

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

is an easy

Merv 8 Pleated Air Filter - 17 1/2" x 19" x 1" Quantity:12-pack Because we specialize in customAny 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.