The Palram Hybrid 6’x8’ Greenhouse has a rust-resistant aluminum frame. It offers the precise balance of two advanced poly-carbonate panels along with a strong build. This Palram greenhouse is designed to fit smaller spaces so you can start growing earlier and continue growing later. The 4mm twin wall roof panels block up to 99.9 percent of UV rays and the crystal clear virtually unbreakable poly-carbonate panels provide 90 percent light transmission. It includes an adjustable roof vent, rain gutters, a lockable door handle and a galvanized steel base. Use the poly-carbonate panels greenhouse to extend your growing season.