20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies refreeze the included ice pack

refreeze the included ice pack and store the nematodes in the shipping container

Made for routers (different style of motor)

humic acid and L-aminos to name a few

150 and 400 Micron Screens as well as ½ inch Mesh also available/ Sold separately

Save money and reduce waste

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies refreeze the included ice packImportant 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,