FORMUFIT F0015WC-YE-4 5-Way Cross PVC Fitting, Furniture Grade, 1" Size, Yellow (Pack of 4) Fits 1" Size PVC Pipe, which has an outside diameter of 1-5/16" (1.315") Superior, glossy yellow surface finish with tapered sockets for a Professional appearance Injection molded as a single peice from durable and UV-resistant Furniture Grade PVC. Will not crack, change color or degrade over time like other sub-par PVC fittings.