Merv 11 Pleated Air Filter - 12" x 21" x 1"Any 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.

these can be purchased in any conceivable size

PACK of 6 pads for Pad and Frame Air Filters

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

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

åÊWe look forward to delivering our American-made

than standard fiberglass filters purchased at retail outlets

Can be ordered in packages of 2 each only

In general

with each stage capturing progressively smaller particles inside the filter

degrade and restrict air flow

We look forward to delivering our American-made

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