16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack Grow Strong SolarStorm T8 15W 18" Replacement

SolarStorm T8 15W 18" Replacement UVB bulb

Do not get in a situation where you run out of CO2

Battery % Level at startup and stability indicator

Verify that your transformer is a Venture by checking the label before ordering this capacitor

200K blue spectrum is perfect for young plants

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack Grow Strong SolarStorm T8 15W 18" ReplacementImportant 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,