Use the Elbow fitting on the last manifold on your line. The FloraFlex™ manifold system takes seconds to put together and/or take apart, none of our parts need glue or threading during assembly. Compatible with regular 1 or 3/4 inch PVC pipe. Comes with snap on feature to attach to the Flora Valve and also includes an O-Ring. O-Ring should be lubed if not already for easy install and prevention of leakage.