Merv 11 Pleated Air Filter - 17 1/2" x 19 1/2" x 1" Quantity:12-pack The unit also includes a

The unit also includes a magnetic mounting bracket for optional installation inside air handlers

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

UL/ULC listed

No holes needed for installation in coil area

Merv 11 Pleated Air Filter - 17 1/2" x 19 1/2" x 1" Quantity:12-pack The unit also includes aAny 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.