Crystal Quest SMART 2-Stage Under Sink Water Filter System - Double

Cleaner, Better-Tasting Water From Your Tap

Upgrade your home’s water quality with a professional-grade under-sink filtration system designed to reduce chlorine, lead, and common contaminants.

Built with NSF/ANSI certified components, this system delivers cleaner water for drinking, cooking, and everyday use — without bulky countertop filters.

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Why Homeowners Choose The 2-Stage System:

• 2-Stage filtration for a deep contaminants in Reduction
• Reduces chlorine taste and odor
• Targets common contaminants including lead
• Installs neatly under your sink
• Maintains strong water pressure
• Long-lasting filter performance

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What's Included 

• SMART Double Filtration System
• Dedicated Chrome Faucet
• Installation Hardware 
• Tubing & Connectors

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Technical Specifications

Flow Rate: 0.5 GPM
Connection Size: 1/4"
Minimum Operating Pressure: 20 PSI
Maximum Operating Pressure: 60 PS
Operating Temperature: 40° F - 90° F
Filter Lifespan: Up to 10,000 gallons (1-3 years depending on usage)
Dimensions (Double System): 10" L x 14" H x 5" W

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Product Manual PDF Link

Installation Manual PDF

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Fast, Reliable U.S. Shipping

Ships from within the United States in 2–5 business days with tracking included.

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30-Day Risk-Free Guarantee

If you’re not satisfied, we’ll make it right.