Snap & Grow Greenhouse w Venting and Weather Stripping Heavy-duty aluminum frame will go up quickly with the new SmartLock connector system Clear-as-glass SnapGlas? polycarbonate panels are virtually unbreakable SnapGlas panels simply slide and lock into place. No small clips or hardware required Includes galvanized base kit Includes an adjustable, preassembled roof vent Unique, split-style door provide excellent ventilation Preinstalled weather-stripping will help keep your plants safe Down spouts allow you to capture rain water Unique, split-style door provides easy access and ventilation Nearly 50 sq.ft of usable interior space & 6'-8' of headroom Safe. No dangerous glass to break Great for growing in all climates Aluminum frame, galvanized steel base and UV protected polycarbonate panels