Single-Stage Systems

Choose Single-Stage Systems for cleaner, safer water. NSF Certified for quality. Compact design with a large capacity, saving your space while delivering exceptional performance.
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Hot Sale

Under Sink Water Filter | Direct Connect Filtration System

$41.60
$51.99
Sale Code: UA UA
Carbon Water Filter
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NSF/ANSI 42 & 372 Certified
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20% Off
Trusted

Undersink Water Filtration System With Dedicated Faucet

$53.60
$66.99
Sale Code: UB UB
Carbon Water Filter
Trustpilot
NSF/ANSI 42 & 372 Certified
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Hot Sale

Replacement Undersink Water Filter | WD-RF10 WD-RF15 WD-RF17

$27.99
Replacement for UA, UB
Trustpilot
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$30 Off
Premium

Waterdrop UA-5Y 5 Years Under Sink Water Filter System

$109.99
$139.99
Sale Code: UA5Y UA5Y
Ultra-long Lifespan
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NSF/ANSI 372 Certified
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