20'x24' Greenhouse Frame Quonset pump Can be used with the

Can be used with the AMP-2 or the AMP-3 nutrient sensor module

High efficiency system

Most standard dehumidifiers operate at 3

Aluminum shutters with tie bar to prevent flapping and locking open

20'x24' Greenhouse Frame Quonset pump Can be used with theHortitech greenhouse frames in 20'x24' 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