20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies humic acid and L-aminos to

humic acid and L-aminos to name a few

Made for routers (different style of motor)

Not a fertilizer or nutrient substitute

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

Use for inter-canopy lighting or as a primary light source

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies humic acid and L-aminos toImportant 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,