Your Custom Solution: The Rainbow Three features a mixed-media solution that allows for a versatile means of targeting your specific water quality concerns. FWT custom builds all our equipment to meet the needs of your home.

Control Valve: Pentair's top-of-the-line computerized controller meters water usage- age, capacity, salt/potassium usage and provides on-demand regeneration. It even maintains the time of day through power outages.

Mixed-bed Foundation: Each Rainbow Three is built upon a proven foundation featuring industrial-grade, high-capacity, chlorine/chloramine-resistant cation resin, capable of addressing filterable contaminants ranging from calcium carbonate and magnesium to limescale to rid your home of unwanted minerals.

Structural Features: The Rainbow Three features blow-molded, NSF-certified, UV-resistant fiberglass bound tanks; a 1" internal riser system; 10 lbs. of under-bed quartz filter; an automatic safety shutoff brine valve and a built-in Bypass Valve safety system. The sturdy and space-saving poly-cabinet allow for a compact design with a softener and brine tank in one.