Merv 11 Pleated Air Filter - 17 3/8" x 21" x 1" Quantity:12-pack built to last a lifetime

built to last a lifetime

allowing the grease to drain into through below

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

Water resistant lamp connection

One way to overcome this problem is to increase the surface area of the filter media

Merv 11 Pleated Air Filter - 17 3/8" x 21" x 1" Quantity:12-pack built to last a lifetimeAny 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.