20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filters 1 Pack sprayers Contains Azospirillum Brasilense 1x10^6 CFU/G

Contains Azospirillum Brasilense 1x10^6 CFU/G

Pest Control: The oils in Trifecta combine to control and repel key pests like Aphids

Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated here at Bluelab

weeks before harvest of most fruiting and/or flowering crops

Lightech T5's are designed specifically for indoor gardening

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filters 1 Pack sprayers Contains Azospirillum Brasilense 1x10^6 CFU/GImportant 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,