Hayward CL100 Automatic Chlorine Feeder<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Uses 3-Inch diameter Tricolor S tablets</li><li>Dial control valve lets you control and adjust the rate of feed</li><li>Easy-Lok threaded cover for safe and convenient access to add tablets</li><li>Unique finger-release catch provides extra security</li><li>Simple installation for do-it-yourselfers</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ILNXeXRjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41CGiaL4RPL.jpg" noproxy>