20x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack tubing Respiratory Syncytial Virus

Respiratory Syncytial Virus

VermiWorm Premium Worm Castings are combined with Alaskan Humus at a specific ratio tested by industry leaders

3 cm H | 2

638104000796 (UPC-A) Dimensions 6

20x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack tubing Respiratory Syncytial VirusImportant 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