Merv 8 Pleated Air Filter - 11" x 11 1/4" x 1" Quantity:12-pack Keeps HVAC system cleaner and

Keeps HVAC system cleaner and more efficient

compact electronic power supply

This is designed to fit into 1" Return Air Grilles

You may know them as washable air or even permanent air filters

mold and other fungi

Merv 8 Pleated Air Filter - 11" x 11 1/4" x 1" Quantity:12-pack Keeps HVAC system cleaner andAny 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.