Merv 13 Pleated Air Filter - 20" x 21 1/2" x 1" Quantity:12-pack Filtering inserts are shipped in

Filtering inserts are shipped in an easily stored packet

To order washable electrostatic custom air filters you just need to know the size of the current air filter

the more efficient a filter is at removing particles

the A+2000 uses no foam that may clog

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

Merv 13 Pleated Air Filter - 20" x 21 1/2" x 1" Quantity:12-pack Filtering inserts are shipped inAny 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.