Circo Innovations, Inc. Greenhouse Kit 11.5 Feet Wide by 12.5 Feet Long (Fittings and Snap Clamps Only) All the comonents for a greenhouse frame, except: covering, 1-1/4" PVC Pipe, and stakes Fits 1-1/4" SCH 40 Size PVC Pipe, which has an outside diameter of 1-5/8" or 1.660" Fittings are various colors Sturdy and long lasting fittings Works with standard United States SCH 40 PVC pipe