Raindrip 052050 1/2" X500'Drip Water Hose， 1/2-Inch， Black Polyethylene， 500 ft Use the in. distribution tubing to transport water directly to your plants. Works as a supply line to an emitter or a feeder line branching off larger tubing or pipe. Another use is to punch emitters directly into the side of the tubing to deliver water along the way. The in. tubing features an outside diameter (OD) of 0.620 in. & internal diameter (ID) of 0.520 in. While other manufacturers use blended recycled material to construct their entire tubing， Raindrip poly tubing has a unique layering method using 100% virgin content for the outer and inner layers for a more durable product， and middle layer of recycled content. Drip irrigation systems are easy to customize， install， and operate. As part of a complete system， the supply tubing transports water to the area to be irrigated. Drip irrigation gradually and evenly waters the root zone of your plants， keeping it moist but never saturated with water. Your plants maintain the ideal balance between water and air for optimal growth and overall health. Raindrip is a leading manufacturer of drip and micro-irrigation solutions and the trusted brand of landscapers since 1972. Build， expand， or repair your system with our rigorously tested products designed to save you time and money. Use in a variety of ways: as a main supply line connected to a low-flow， drip-watering device; as a feeder line that branches off larger tubing or pipe; and with emitters punched into the tubing to deliver water along the line ， Tubing outside diameter (OD) is 0.620 in.， internal diameter (ID) is 0.520 in.; connects to point-of-connection device using appropriate fitting; emitters and feeder lines can be punched directly into the line or attached to the end ， Works in a variety of areas， from small to large， flat or sloped， to water trees， shrubs， flower beds， groundcover， vegetable gardens， plants in pots， planter boxes， and hanging baskets ， Poly tubing is constructed using a layering method for durability: the outer layer， which is exposed to the sun， and the inner layer， which is exposed to water， is made of 100% virgin content; the middle layer is composed of recycled content ， Comes with one 500 ft. coil of 1/2 in. poly supply tubing; Works with Raindrip products and other products with compatible connection type