Orbit Dripmaster Gecko Sprinkler Pot Hanger 67619 Arms and legs are flexible and can be positioned on a flower pot Connects to 1/4" distribution tubing in a drip irrigation system For outdoor use with cold water only A Pressure reducer (not included) is recommended for faucets or drip systems with more than 30 psi water pressure Flow control knob adjusts water flow from 0-16 Gallons per Hour at 25 PSI