... pipes with standard specifications and well-appointed fittings. PE pipe fittingsReducer,Flange,Equal tee,Unequal tee,Cross,90°elbow, ... coupler,Electro-fusion equal teePP-R pipe fittingsPipe sleeve, Equal tee, Equal coupler, Unequal tee, End cap, 45°Elbow, 90°Elbow, ... Unequal elbow, Pipe clamp, Bent pipeU-PVC pipe fittingsEqual tee, 90°Elbow, ...