16x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack lamps so wearers stay cool throughout

so wearers stay cool throughout long shifts

Palmetto Bugs

With an easy-to-use digital display panel and convenience of a movable

*A control unit and reservoir (sold separately) are required to use this expansion pack

RootShield Plus is also available in a granular formulation

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack lamps so wearers stay cool throughoutImportant 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