Merv 13 Pleated Air Filter - 20" x 21 1/2" 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.

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

oxidation and deterioration

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

and long service life which reduces HVAC equipment maintenance and energy costs

degrade and restrict air flow

Includes one Frame and PACK of 6 pads

the A+2000 uses stage loading

We look forward to delivering our American-made

some just refer to them as electrostatic filters

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

the A+2000 uses no foam that may clog