The Palram 4\' x 8\' Lean To Silver Greenhouse is great for small gardening spaces, such as balconies or patios, to grow your very own vegetables and plants. The combination of the virtually unbreakable Polycarbonate panels and Aluminum rust resistant frame create a high quality product. Lean-To Grow House offers all the advantages of Palrams virtually unbreakable Polycarbonate panels and Aluminum rust resistant frame, for limited spaces such as balconies or patios, to grow your very own vegetables and plants. It includes an adjustable upper vent for improved air circulation, gutter and gutter heads for water collection, a mounting kit, and a galvanized steel base to ensure a durable and stable product for many years to come.