Merv 13 Pleated Air Filter - 17 7/8" x 17 7/8" x 1" Quantity:12-pack the A+2000 uses stage loading

the A+2000 uses stage loading

28X Increased Efficiency

and long service life which reduces HVAC equipment maintenance and energy costs

Instead of face loading (particles captured on the outer surface of the filter)

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

Merv 13 Pleated Air Filter - 17 7/8" x 17 7/8" 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.