HydroGen Ice Box 6 INCH HydroGen Ice BoxFinally, a safe and very efficient way to water-cool your entire grow room! It consists of a high-quality heat-exchanger with a strong molded plastic housing. One side of the housing is designed to install over a 6" air-cooled reflector duct flange, and as an option the opposite side can be attached to 6" air ducting (depending on inline fan placement). Air from you... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
HydroGEN PRO Water-Cooled CO2 Generator - Liquid Propane Hydro Innovations HydroGEN PRO Water-Cooled CO2 Generator - Liquid Propane (HSCLP)Hydro Innovations is proud to present the next generation in water-cooled CO2 generators, the HydroGEN PRO. Like the original, the PRO version uses a water-cooled heat exchanger to cool nearly 90% of the heat produced by burning propane. The new unit has several upgrades and new features over the very... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.