Rain Bird Drip Irrigation 1/2 in. Blank Distribution Tubing (0.7 in. OD) 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. drip 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 or drippers. Professional-grade features include extra flexibility for kink-free installation, plus unmatched resistance to chemicals, algae growth and UV damage. Industry leading flexibility allows tighter turns with fewer elbows for fast, easy installation. Perfect for small, narrow and tight planting areas, as well as areas with tight curves or many switchbacks.