Rain Bird 211607 Tubing for DR and DS Series Rotors 20 Pack - This 20 pack of tubes is for use with Rain Bird Eagle DR and DS Series Rotors. It is compatible with Rain Bird 47DR, 51DR, 47DS and 51DS Series Rotors. Made for easy installation and use, this tubing will help ensure the best service life possible. Rain Bird rotors are engineered to deliver a low precipitation rate, so you can cover more area over a longer period of time.