FORMUFIT F00190E-BK-4 90 Degree Elbow PVC Fitting, Furniture Grade, 1" Size, Black (Pack of 4): Amazon.com: Industrial & Scientific
Amazon.com: TOMEX 4 Way 3/4 inch PVC Fittings Angle Cross Elbow Pvc 90 Degree Suitable For Green House Tube, Tent Connection Tee, Furniture Construction Grade SCH40 [Pack of 4] : Everything Else