Merv 13 Pleated Air Filter - 21 1/2" x 23 1/2" x 1" Quantity:12-pack The secret behind the A+2000‰۪s

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

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

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Merv 13 Pleated Air Filter - 21 1/2" x 23 1/2" x 1" Quantity:12-pack The secret behind the A+2000‰۪sAny 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.