Merv 11 Pleated Air Filter - 8 3/4" x 21 1/2" x 1" Quantity:12-pack Filtering inserts are anti-microbial and

Filtering inserts are anti-microbial and are more efficient in capturing particles

To order washable electrostatic custom air filters you just need to know the size of the current air filter

Either way

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

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

Merv 11 Pleated Air Filter - 8 3/4" x 21 1/2" x 1" Quantity:12-pack Filtering inserts are anti-microbial andAny 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.