20'x30' Greenhouse Frame Quonset Size:Sidewall 4' / Spacing 5' which allows separate control for

which allows separate control for full spectrum and second red output levels on the ThinkGrow LEDs

Installation Modine requires installation by a professional installer

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

It can be connected to the Hydro-X Pro with a simple RJ12 phone cable

White on the outside to reflect the sun

20'x30' Greenhouse Frame Quonset Size:Sidewall 4' / Spacing 5' which allows separate control forHortitech 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