Hayward CL100 Automatic Chemical Feeder. Efficient and maintenance-free, these durable, corrosion-proof automatic chlorinators and brominators are ideal for Newer existing pools or spas and work automatically with your pump and filter system. 
	
Uses 3-Inch diameter Tricolor S tablets
	
Dial control valve lets you control and adjust the rate of feed
	
Easy-Lok threaded cover for safe and convenient access to add tablets
	
Unique finger-release catch provides extra security
	
Simple installation for do-it-yourselfers