Raindrip R255DT 1/4-Inch by 50-Foot White Tubing Use as supply line and feeder line to any low flow and drip watering Device Can be buried or left out on the surface in any weather Professional quality All 1/4-in Tubing is 160-in - 197-in I.D, 245-in O.D., 6mm Built to last Tubing Use as a feeder line off a 1/2-Inch, 5/8-Inch or .710-Inch main line Use as a complete circuit White 1/4-Inch by 50-Feet