Merv 8 Pleated Air Filter - 20" x 24" x 2" Quantity:12-pack You may know them as

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

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

Can be ordered in packages of 2 each only

Merv 8 Pleated Air Filter - 20" x 24" x 2" Quantity:12-pack You may know them asAny 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.