Merv 13 Pleated Air Filter - 12" x 20" x 1" Quantity:4-pack Then simply add that information

Then simply add that information to our easy to use order form above

compact electronic power supply

Eliminates Filter Bypass

Instead of face loading (particles captured on the outer surface of the filter)

They are easy to install with custom air filters made to the sizes that you specify

Merv 13 Pleated Air Filter - 12" x 20" x 1" Quantity:4-pack Then simply add that informationAny 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.