Rain Bird MANIFRE6S Drip Irrigation 6-Port Manifold with Unregulated Free Flow. Use this 6-port female pipe threaded professional grade manifold to connect 1/4" Drip irrigation tubing directly to a standard 1/2" male pipe threaded riser. Easily add Drip irrigation watering to plants in your garden, landscaped areas or containers. Barbed outlets securely hold all brands of 1/4" Drip tubing for leak-proof connection to drippers/emitters, bubblers, micro sprays and emitter tubing. Attach 1/4" Drip distribution tubing to each barbed outlet and extend out to water plants with one or more Drip watering devices. Self-flushing action minimizes clogging. This is an un-regulated free flow design for use only with a pressure regulated water source. Constructed of highly durable UV and chemical-resistant materials to assure long life. Rain Bird “The Intelligent Use of Water”