16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack smoking-accessories INTERLOCK OFF: When the DCC-1

INTERLOCK OFF: When the DCC-1 interlock is set to be off

fungicide and bactericide

High Speed 420 CFM 69 watts

fungus gnats and root aphids

Lightech introduces a new lighting solution that combines both quality and affordability into one package

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack smoking-accessories INTERLOCK OFF: When the DCC-1Important 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