30'x120' Greenhouse Frame Quonset Sidewall Height/Truss Spacing:4'/4' This small greenhouse kit with

This small greenhouse kit with 400 sqft has been designed to ensure fans and shutters are appropriately sized to provide a well-ventilated cultivation space

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Installation Modine requires installation by a professional installer

30'x120' Greenhouse Frame Quonset Sidewall Height/Truss Spacing:4'/4' This small greenhouse kit withLooking for a massive greenhouse? The 30'x120' Hortitech greenhouse frame is one of the largest greenhouses you can buy online! That is a whopping 3600 square feet of cultivation space. Hortitech greenhouse frames are built for resilience and are competitively priced. They 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