Pentair Rainbow R18706 offline chemical feeder parts bag for Rainbow #300, 302, 300-19 & 300-29. Includes: 172032 tube Fitting with compression nut, 172033 gasket, 172034 saddle clamp, 172060 Control Valve w/compression nut, 172036 silicone lubricant & 172061 combination check valve/elbow.