Pentair R172061 Combination Check Valve and Elbow Replacement Rainbow Automatic Chlorine/Bromine Pool and Spa Feeder<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Combination check valve and elbow replacement</li><li>Fits Pentair Rainbow automatic chlorine/bromine pool and spa feeder models 300， 302， 300-19， 300-29</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21dhY8o8cYL.jpg" noproxy>