Merv 11 Pleated Air Filter - 19 5/8" x 21" x 1" Quantity:12-pack Filtering inserts are anti-microbial and

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

This is designed to fit into 1" Return Air Grilles

and long service life which reduces HVAC equipment maintenance and energy costs

Kills bacteria

This design enables A+2000 custom air filters to maintain performance over the years

Merv 11 Pleated Air Filter - 19 5/8" x 21" 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.