Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo w/ Speed Controller 3x4 reliable and SPIDER FARMER Brand

reliable and SPIDER FARMER Brand Driver have great dissipate heat

The TrolMaster DSP-1 program device module (timer module) works like a multi-function timer

1x 100ml Amino Treatment

meaning that it will boost the signals passing through the SPH-1 allowing more modules

Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo w/ Speed Controller 3x4 reliable and SPIDER FARMER BrandMars Hydro 4" Inline Duct Fan and Carbon Filter Combo w Speed Controller With a 4'' inline fan rated for 205CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching and adjustment of the fan speed, the Mars Hydro 4 inch inline duct fan and carbon filter combo offers you everything you need to set up the ventilation in a grow tent. A good ventilation setup for grow tents measuring up to 3x3 feet.