16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack stocked Additional features includes a countdown

Additional features includes a countdown timer

KIT INCLUDES:

NextLight's true efficiency allows you as a commercial grower to obtain the highest rebates and incentives from your energy providers

Outside Diameter: 30

• Improves heat and drought stress

16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack stocked Additional features includes a countdownImportant 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