iSpring RCC1UP-AK UnderSink RO System
Best high performance filtration for homes with low water pressure.
This seven-stage filtration system utilizes a booster pump to ensure consistent performance, even in homes with low water pressure. It combines reverse osmosis with alkaline remineralization and UV sterilization to deliver clean, mineral-balanced water directly from a dedicated faucet.
$404.98
at
Home Depot
More RCC Series options
Who it's for
- Health-conscious drinkers seeking mineral-rich water with a balanced pH
- Homeowners with low water pressure needing efficient filtration performance
- Families using well water or concerned about microbiological contaminants
Who should skip it
- DIY beginners looking for a simple, tool-free setup process
- Renters or homeowners without existing electrical access under their sinks
- Busy individuals preferring low-maintenance systems with fewer filter changes
Performance breakdown
Contaminant Removal
Seven-stage filtration captures nearly all impurities for exceptionally clean water.
Pressure Optimization
The integrated booster pump ensures consistent flow even in low-pressure homes.
Water Quality
Alkaline remineralization balances pH for a crisp, refreshing, and healthy taste.
Installation Complexity
DIY-friendly design simplifies setup, though the multi-stage system requires patience.
Maintenance Visibility
Transparent housings make it easy to spot when filters need replacing.
Safety Assurance
Integrated UV sterilization provides a critical final barrier against biological contaminants.
Key Specs
Weight
35.40 lbs
Dimensions
15.50 inches L x 5.30 inches W x 19.00 inches H
Capacity
100 GPD
Number of Filtration Stages
7
Max Operating Pressure
70 psi
Max Operating Temperature
100 degrees Fahrenheit
Water Source Compatibility
Municipal and Well Water
Certifications
NSF/ANSI 58
Housing Material
Plastic
Filtration Method
Reverse Osmosis, UV, Alkaline Remineralization
Know before you buy
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