Merv 11 Pleated Air Filter - 18 3/4" x 23" x 1" Quantity:12-pack The secret behind the A+2000‰۪s

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

You may know them as washable air or even permanent air filters

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

Unlike some permanent custom air filters

and the greater the pressure drop it creates

Merv 11 Pleated Air Filter - 18 3/4" x 23" x 1" Quantity:12-pack The secret behind the A+2000‰۪sAny 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.