Merv 13 Pleated Air Filter - 15 1/4" x 35 5/8" x 2" Quantity:12-pack and the greater the pressure

and the greater the pressure drop it creates

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

from the air stream

oxidation and deterioration

Merv 13 Pleated Air Filter - 15 1/4" x 35 5/8" x 2" Quantity:12-pack and the greater the pressureAny 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.