Merv 11 Pleated Air Filter - 23 1/2" x 29 1/2" x 1" Quantity:12-pack the A+2000 uses stage loading

the A+2000 uses stage loading

The filtering media consists of two layers of Stainless Steel roll formed baffles

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

Grease Baffle Uses:

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

Merv 11 Pleated Air Filter - 23 1/2" x 29 1/2" x 1" Quantity:12-pack the A+2000 uses stage loadingAny 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.