Rainbow R171218 Automatic In-Line Amber Body Chemical Feeder …
Pentair Rainbow R171218 Automatic In-Line Amber Body Chemical Feeder. The 320C uses 2" plumbing and it's amber body is see-through. The Amber See-Through Body allows for easy viewing of the tablets as they dissolve, making tablet maintenance easier. The Rainbow 320C holds 11 large or 98 small bromine or slow dissolving trichlor tablets.