Pentair Rainbow 300-29X Commercial and High Capacity …
These heavy-duty, high capacity feeders provide automatic sanitization for pools up to 332,000 gallons. Heavy duty 1/2 in. control valve and tubing optimizes flow and erosion to provide larger amounts of sanitizer. Dispenses 8.5 lbs. of 1 in. Trichlor Tablets in 24 hours. Holds 29 large or 237 small tablets. Treats 80,000 to 322,000 gallons.