Merv 13 Pleated Air Filter - 19" x 19" x 1" Quantity:12-pack Either way

Either way

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

To find the size the old unit should have sizing information printed on it

oxidation and deterioration

PLEASE NOTE: Dimensions listed are HxWxD

Merv 13 Pleated Air Filter - 19" x 19" x 1" Quantity:12-pack Either wayAny 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.