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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Inlet/Outlet 8''
This non-drying
Six sizes available to fit most applications
At the bottom of the sheath
The granules grow stronger seedlings with larger root systems
20x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack light Inlet/Outlet 8''Important 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
