20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 2 Pack Light Fixture Made from only the finest

Made from only the finest ingredients including coarse peat

Use our sturdy black vinyl tubing

Best option for high temperature

Grommets are conveniently placed for easy attachment almost anywhere

Pyur Scientific ISO 99

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 2 Pack Light Fixture Made from only the finestImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,