Merv 11 Pleated Air Filter - 20" x 21 1/4" 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.

Can be ordered in packages of 2 each only

This design enables A+2000 custom air filters to maintain performance over the years

You never have to hassle with disposable filters that will end up in a landfill again

oxidation and deterioration

Either way

You may know them as washable air or even permanent air filters

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

And there are no metal parts that could lead to corrosion or oxidation within the filter

Includes one Frame and PACK of 6 pads

We look forward to delivering our American-made

One way to overcome this problem is to increase the surface area of the filter media

Available in packs of 4