Merv 8 Pleated Air Filter - 12" x 20" x 1" Quantity:12-pack Finally they are factory made

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

The permanent frame is constructed of space-age plastics that are resistant to corrosion

these can be purchased in any conceivable size

åÊWe look forward to delivering our American-made

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Merv 8 Pleated Air Filter - 12" x 20" x 1" Quantity:12-pack Finally they are factory madeAny 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.