Your Custom Solution: The Rainbow Four features a mixed-media solution that allows for a versatile means of targeting your specific water quality concerns.

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

Mixed Bed Versatility: Provides customizable, mixed-bed solutions of high-capacity Centaur Catalytic Absorptive Carbon and contaminant-specific media.

Mixed-bed Foundation: Each Rainbow Four is built upon a proven foundation featuring industrial-grade, high-capacity, chlorine/chloramines resistant, strong acid cation resin capable of addressing filterable contaminants ranging from calcium carbonate and radium to tannin and nitrates.

Structural Features: The Rainbow Four 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.