20'x30' Greenhouse Frame Semi-Gable wind Most light manufacturers provide the

Most light manufacturers provide the ability to control their lighting systems using what known as a low-volt control

It may be wired for heating or cooling to control your exhaust fan

Available options: (Seal & Diltuion/Injection Range)

Once connected to the plug-in module using the RJ12 cable built-into the DCC-1

Heavy duty relays and receptacles

20'x30' Greenhouse Frame Semi-Gable wind Most light manufacturers provide theHortitech greenhouse frames in 20'x30' are built for resilience and are competitively priced. These small greenhouses are made from high grade galvanized steel that can withstand wind and snow. When you buy greenhouse frames from Hortitech, you get greenhouse frames direct from the manufacturer that are 100% American made with no cheap pre fabricated foreign parts. This product is ONLY the steel greenhouse frame. All steel, purlin, and hardware for