Merv 11 Pleated Air Filter - 16" x 20" 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 "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

In general

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

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

Either way

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

We look forward to delivering our American-made

Eliminates Filter Bypass

Filtering inserts are shipped in an easily stored packet

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

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