Pay in 4 interest-free payments of $33.88 Learn more
Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
Accept no substitute
The GSI-1 knows when temperatures in your indoor garden are too high and can automatically respond by dimming your lamps to mitigate environmental stress and plant damage
25 & 50 microns Droplet Size
Bulb Vegetables
much better than traditional HPS grow systems
20x25x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack post harvest Accept no substituteImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x25x4 filter
US$ 12.97
US$ 18.97
US$ 31.97
US$ 142.97
US$ 18.97
US$ 29.00
US$ 119.00
