Merv 13 Pleated Air Filter - 12 1/2" x 24 1/2" x 1" Quantity:12-pack the A+2000 uses stage loading

the A+2000 uses stage loading

the A+2000 uses no foam that may clog

and the greater the pressure drop it creates

oxidation and deterioration

Merv 13 Pleated Air Filter - 12 1/2" x 24 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.