Hayward CL110ABG Automatic Chemical Feeder for Above-Ground Pools. 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