16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack harvest-solutions AND HEATER CIRCULATOR TO FUNCTION

AND HEATER CIRCULATOR TO FUNCTION

Connection Type: Inline garden-hose connection

Ideal for cutting roots

Function: Repels insects

Maximum Height: 11

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack harvest-solutions AND HEATER CIRCULATOR TO FUNCTIONImportant 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