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Dual-Stage Systems

Softening + filtration in one system. Complete protection.

Dual-stage systems combine water softening and carbon filtration in a single integrated unit. Remove hardness minerals that damage pipes and appliances while filtering out chlorine, chemicals, and contaminants. Our most popular whole-home solution.

From $2,3454 systems available
Most Popular
Sale — Save $250
Sanitech™ Pro-Line Softener & Filtration

dual stage

Sanitech™ Pro-Line Softener & Filtration

Industry-leading system combining water softening and filtration in one unit. Custom designed to CWC specifications for Arizona's extreme hard water conditions.

$2,345$2,945
$2,595$3,195Save $250

or $261/mo for 9 months · 0% APR (32K)

1.0 CF / 32K1.5 CF / 48K2.0 CF / 64K
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Sale — Save $250
Evolv Elite™ Twin-Tank Softener & Filtration

dual stage

Evolv Elite™ Twin-Tank Softener & Filtration

Alternating twin-tank design provides continuous soft and filtered water 24/7. While one tank regenerates, the other stays online — you never run out of treated water.

$3,945$4,545
$4,195$4,795Save $250

or $439/mo for 9 months · 0% APR (32K)

1.0 CF / 32k1.5 CF / 48K2.0 CF / 64K
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Best in Class
Sale — Save $250
Pantora™ Dual-Stage Softener & Filtration

dual stage

Pantora™ Dual-Stage Softener & Filtration

Premier split-tank dual-stage system for households seeking the highest standard in both softening and filtration. Separate softening and carbon filtration tanks for optimal performance.

$4,145$4,745
$4,395$4,995Save $250

or $461/mo for 9 months · 0% APR (32K)

1.0 CF / 32K1.5 CF / 48k2.0 CF / 64k
Learn More →
Sale — Save $250
AquaNAC Sp3™ Salt-Free Conditioner & Filtration

salt free conditioners

AquaNAC Sp3™ Salt-Free Conditioner & Filtration

Dual-stage no-salt water conditioner combined with whole-house filtration. Uses TAC (template-assisted crystallization) to neutralize minerals without salt or electricity.

$4,145$4,745
$4,395$4,995Save $250

or $461/mo for 9 months · 0% APR (32K)

1.0 CF / 32k1.5 CF / 48k2.0 CF / 64k
Learn More →
Built for Arizona Water

System technology

Split-tank or integrated designs available

Highest flow rate 1-inch valve

Commercial-grade high cross-link resin

Centaur carbon filtration technology

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Frequently Asked Questions

Common questions about dual-stage systems