Hydrofarm Logo LED Hat microbial fertilizer • 450 CFM fan with

• 450 CFM fan with 1-6 inch duct for outgoing air (bottom duct)

Teel fill-and-drain fitting for GH systems

2 Meter / 80 inch cable length

Digital CO2 Controller Fuzzy Logic Replacement Probe for the Autopilot APCECOD

Hydrofarm Logo LED Hat microbial fertilizer • 450 CFM fan withEnjoy hands free bright lighting without losing a stitch of style when you wear the Hydrofarm embroidered logo LED cap. Five bright green LED lights won't interrupt plants' natural cycle and the cap's white brim contrast stitching helps you stand out during the daytime. This essential headgear features a moldable brim, adjustable hook and loop back closure, and 100% cotton material. In their default off position, the LED lights are almost