Rainbow | sku: 732249 Rainbow Heavy Duty Offline Chemical Feeder Automatic Commercial High Capacity Chlorinator Chlorine/Bromine. Chlorinator capacity is 237 small or 29 Large Tabs. Heavy-Duty 1/2 in. Control Valve and Tubing Optimizes Flow and Erosion To Provide Larger Amounts Of Sanitizer.Treats 80000 Gal. to 322000... Log in for pricing