Pentair Pentair R171056 Rainbow 300-19 Automatic Chlorine/Bromine Off-Line Spa Feeder

This Rainbow 300-19 automatic chlorine/bromine off-line spa feeder includes double-capacity 19-inch chamber and treats 13,000 to 52,000 gallons. Operates on pressure side of pumps. Uses 1/4-inch feeder hoses, control valve and fittings. Completely enclosed system, no special venting required. No escaping gases and retrofits into existing pools or spas. NSF listed and 50 PSI maximum operating pressure. Measures 7-inch length by 30-1/4-inch height by 7-inch width.