16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack Master Controller Great for misting applications as

Great for misting applications as well as irrigation

Nordic Pure 12x25x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Wide Coverage Area – Each trap covers approximately 2

as the pH varies (up to a high of 8

Once leaf damage is serious

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack Master Controller Great for misting applications asImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 16x20x4 filter