Merv 11 Pleated Air Filter - 17 1/4" x 23 1/4" x 2" Quantity:12-pack oxidation and deterioration

oxidation and deterioration

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

the A+2000 uses no foam that may clog

Either way

Merv 11 Pleated Air Filter - 17 1/4" x 23 1/4" x 2" Quantity:12-pack oxidation and deteriorationAny 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.