16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack CO2 Use ScentGuard to help improve

Use ScentGuard to help improve air quality and reduce energy usage in various treatment systems while also breaking down and alleviating issues with sludge

Twister T4 Belt Cover Assembly

and 55 gallon drums

Fan Size - 4 Inch

Unit Weight (Full) - 82

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack CO2 Use ScentGuard to help improveImportant 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