16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack smoking-accessories A specialized media density and

A specialized media density and fine cell structure promote faster

Can even be used to mix the fertilizer solution

High Speed 420 CFM 69 watts

Removable water tank with an automatic shutoff when reservoir is full

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack smoking-accessories A specialized media density andImportant 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