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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7 Products
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Hot Sale

Under Sink Water Filter | Direct Connect Filtration System

$56.00
$69.99
Sale Code: UA
Carbon Water Filter
Trustpilot
NSF/ANSI 42 & 372 Certified
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20% Off
Trusted

Undersink Water Filtration System With Dedicated Faucet

$63.20
$78.99
Sale Code: 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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15% Off
Trusted

Stainless Steel Under Sink Water Filter | Direct Connect Filtration System

$85.00
$99.99
Sale Code: AS
Carbon Water Filter
Trustpilot
NSF/ANSI 372 Certified
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Stainless Steel Undersink Water Filtration System With Dedicated Faucet

$99.99
Carbon Water Filter
Trustpilot
NSF/ANSI 372 Certified
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$30 Off
Premium

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

$109.99
$139.99
Sale Code: UA5Y
Ultra-long Lifespan
Trustpilot
NSF/ANSI 372 Certified
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20% Off
Hot Sale

15UA Under Sink Water Filter | Direct Connect Filtration System

$56.00
$69.99
Sale Code: UA
Carbon Water Filter
Trustpilot
NSF/ANSI 42 & 372 Certified
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