Easily connects to a faucet, garden hose, or Raindrip 1/2 In. poly hose. 50 Ft. of fully assembled Drip-A-Long. Built-in pressure compensating turbulent flow drippers spaced at 18 In. intervals. Non-clogging, patented pressure compensating drippers maintain a constant flow rate of 1 GPH (gallons per hour) with pressure up to 60 psi (pounds per square inch). Expandable to 400 Ft. with less than 5% variation in dripper outflow.