Rain Bird 1/2 in. Blank Distribution Tubing is used to run water from an outside faucet or other water source to the planting area. Kink resistant materials help provide dependable water flow. Connect tubing sections and 1/2 in. Emitter Tubing with Rain Bird 1/2 in. barbed or compression fittings. To place watering devices near plants, add 1/4 in. Tubing runs by tapping into the side of this 1/2 in. tubing with 1/4 in. barbed couplings.