20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack HVAC & HOME VENTILATION economy and extend longevity

economy and extend longevity

This ethanol extraction unit can process up to 120 pounds an hour of material

Taped seams add an extra layer of protection

Multifaceted design provides superior light uniformity

20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack HVAC & HOME VENTILATION economy and extend longevityImportant 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 20x20x4 filter