Merv 13 Pleated Air Filter - 21 1/2" x 33 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

built to last a lifetime

In general

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

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

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

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

the A+2000 uses stage loading

Eliminates Filter Bypass

Filtering inserts are shipped in an easily stored packet

and the greater the pressure drop it creates

Unlike some permanent custom air filters