Merv 8 Pleated Air Filter - 21 3/8" x 21 1/2" x 1" Quantity:12-pack Instead of face loading (particles

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

if not you can measure it or check the HVAC unit and the owner‰۪s manual

the A+2000 uses no foam that may clog

please click HERE to read detailed brochure (Adobe Reader PDF file)

Merv 8 Pleated Air Filter - 21 3/8" x 21 1/2" x 1" Quantity:12-pack Instead of face loading (particlesAny 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.