Merv 11 Pleated Air Filter - 29" x 32" x 1" Quantity:12-pack This is designed to fit

This is designed to fit into 1" Return Air Grilles

built to last a lifetime

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Because we specialize in custom air filters

Merv 11 Pleated Air Filter - 29" x 32" x 1" Quantity:12-pack 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.