Merv 11 Pleated Air Filter - 8 3/4" x 21 1/2" x 1" Quantity:12-pack They are easy to clean

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

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

so it can provide a lifetime of dependable service

Water resistant lamp connection

Merv 11 Pleated Air Filter - 8 3/4" x 21 1/2" x 1" Quantity:12-pack They are easy to cleanAny 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.