PRODUCT DESCRIPTION Efficient and maintenance-free, these durable, corrosion-proof automatic chlorinators and brominators are ideal for new or existing pools or spas and work automatically with your pump and filter system. This uniquely designed feeder is corrosion proof, resulting in a long life span, because of its ABS body along with a high quality Viton seal and an ergonomically designed cover which allows for simple lid removal. The Easy-Lok threaded cover provides safe and convenient access to add tablets. Also incorporated is a finger-release catch which ensures extra security. The feeder is installed in a simple manner when replacing an existing chlorinator or brominator. It will easily install into your already existing pump or filter, as well as on any already existing pool or spa and newly built pool or spa. FROM THE MANUFACTURER Hayward CL2002S In-Line 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.