16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack Led Healthy soil is the key

Healthy soil is the key to healthy plants

Callus formation should start in 7 – 10 days with roots soon after

RAZRx can do it all while using less

high efficacy and reliable light fixtures are increasing yields

Hps Equivalent - 1500W

16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 13 Air Filters 4 Pack Led Healthy soil is the keyImportant 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,