Walk-In Garden Greenhouse Aluminum Polycarbonate with Roof Vent for Plants Herbs Vegetables 8' x 4' x 7' SilverDetails: Walk In Greenhouse: Polycarbonate greenhouse is an ideal way to extend your growing season while easily managing your plants and protecting them from extreme temperatures. Lean to design, easy to rely on garden and house. Perfect for growing tropical plants, vegetables, fruiting plants, herbs, flowers in small gardens. Adjustable Roof: Outdoor greenhouse features a hinged rooftop panel with vent which angle can be adjusted to 5 positions