20x25x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack hawthorne Tip over switch shuts off

Tip over switch shuts off gas source if the unit falls or tips over

automated triggers

5 - A six-foot rail and a six-foot pushrod

Nordic Pure 16x24x4 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Delivering ultimate light output

20x25x4 (3 5/8) Pleated MERV 7 Air Filters 2 Pack hawthorne Tip over switch shuts offImportant 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 20x25x4 filter