20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack soil protect and enhance plant growth

protect and enhance plant growth

Size: 70x24

Fully enclosed using heavy-duty 2mm cold-rolled steel with chamfered edges for rounded corners

The SPH-1 comes complete with the SPH-1 hub

T4's Type Feed lbs/hr

20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack soil protect and enhance plant growthImportant 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 20x25x4 filter