Merv 11 Pleated Air Filter - 8 7/8 " x 33 3/8" x 1" custom-size This is designed to fit

This is designed to fit into 1" Return Air Grilles

Engineered for optimal performance

Category: MERV 8

Unlike some permanent custom air filters

PLEASE NOTE: Dimensions listed are HxWxD

Merv 11 Pleated Air Filter - 8 7/8 " x 33 3/8" x 1" custom-size This is designed to fitAny 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.