Merv 13 Pleated Air Filter - 11 5/8" x 23 5/8" x 1" Quantity:12-pack Can be ordered in packages

Can be ordered in packages of 2 each only

than standard fiberglass filters purchased at retail outlets

Either way

oxidation and deterioration

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

Merv 13 Pleated Air Filter - 11 5/8" x 23 5/8" x 1" Quantity:12-pack Can be ordered in packagesAny 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.