Merv 13 Pleated Air Filter - 11 3/4" x 31 1/2" x 1" Quantity:12-pack these can be purchased in

these can be purchased in any conceivable size

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

PLEASE NOTE: Dimensions listed are HxWxD

The SpeedLight䋢 Jr

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

Merv 13 Pleated Air Filter - 11 3/4" x 31 1/2" x 1" Quantity:12-pack these can be purchased inAny 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.