20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 4 Pack additives Without proper enzymatic activity

Without proper enzymatic activity

HPS/MH Replacement - 600W

Shipment and Biology: Aphidius colemani are shipped as parasitized aphid mummies from which adult A

Efficient double-ended design offers longer lamp life and a more balanced light spread

Available in 100’ and 200’ rolls

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 4 Pack additives Without proper enzymatic activityImportant 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,