The Hayward CL220 Off-line Automatic Chlorine/Bromine Tablet Chemical Feeder is an easy, efficient way to sanitize your pool or spa. The CL220 Offline Chemical Feeder comes with 3/8" feed tube hose, clamps, and fittings for installation. The easy, economical and professional way to sanitize your pool - Hayward automatic pool chlorinators are efficient, corrosion-proof chemical feeders designed for easy installation on new or existing pools or spas ranging up to a 9 lb. Capacity. The Hayward automatic chlorinators use large or small Tri-Chlor slow dissolving tablets or sticks - enough to supply three weeks of chlorine sanitation for large pools and longer for smaller pools. The easy to use integral dial control valve lets you accurately adjust the rate of chlorinating needed to keep your pool and spa sparkling clean.