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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Filters
17 Products
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Hot Sale
Model number WD-10UA-UFWD-15UA-UFWD-17UA-UF Compatibility Suitable for faucets with 1/2" or 3/8" FEMALE NPT thread. If...
20% Off
Hot Sale
Under Sink Water Filter | Direct Connect Filtration System
$41.60
$51.99
Sale Code: UA

Carbon Water Filter
Model number WD-10UA WD-15UA WD-17UA Replacement filter WD-RF10/15/17 Compatibility Suitable for faucets with 1/2" or...
20% Off
Trusted
Undersink Water Filtration System With Dedicated Faucet
$53.60
$66.99
Sale Code: UB

Carbon Water Filter
Model number WD-10UB WD-15UB WD-17UB Product dimensions WD-10UB: 3.6"*3.85"*12.3"WD-15UB: 3.6"*3.85"*16.7"WD-17UB: 3.6"*3.85"*19.1" Replacement filter WD-RF10/15/17 Operating...
20% Off
Trusted
Undersink Ultrafiltration Water Filter System With Dedicated Faucet
$57.60
$71.99
Sale Code: UBUF

Ultrafiltration
Model number WD-10UB-UFWD-15UB-UFWD-17UB-UF Product dimensions WD-10UB-UF: 3.6" * 3.85" * 12.3"WD-15UB-UF: 3.6" * 3.85" *...
Premium
Smooth Mineral Water, Right at Home Taste richer, smoother water with every sip. Enjoy mineral...
25% Off
Trusted
5+1 Stage Stainless Steel Direct Connect Under Sink Water Filter AS13
$59.25
$78.99
Sale Code: AS

Carbon Water Filter
Model number WD-AS13 Replacement filter WD-WF13 Operating temperature 40-100℉ / 5-38℃ Working pressure 15-100 psi...
$20 Off
Exclusive Offer
Waterdrop Skincare Water Softening System - Softens Skin & Hair (Includes 1 Filter)
$69.99
$89.99
Sale Code: BFU1

Soften Water
Skincare Water Softening System BFU1 Skincare Water Softening System BFU2 Model WD-BFU1 WD-BFU2 Size 16.9"*3.6"*3.9”...
20% Off
Premium
Undersink Inline Water Filter | Direct Connect to Refrigerators and Ice Makers
$48.00
$59.99
Sale Code: UC

Carbon Water Filter
Model number WD-15UC Replacement filter WD-RF15 Product dimensions 3.6" * 3.85" * 16.7" Operating temperature...
20% Off
Premium
Inline Ultrafiltration Refrigerator Water Filter | Exterior Filtration System-Universal Fit
$56.00
$69.99
Sale Code: UC

Ultrafiltration
Model number WD-15UC-UF Product dimensions 3.6" * 3.85" * 16.7" Operating temperature 2-38℃/35-100℉ Materials System...
Hot Sale
Replacement Ultrafiltration Undersink Water Filter | WD-RF10/15/17-UF
$31.99
Replacement for UA-UF, UB-UF
The replacement filters are designed to fit Waterdrop Undersink Water Filtration System (WD-UA/UB/UC series). Compatible...
Hot Sale
Model number WD-RF10WD-RF15WD-RF17 Product dimensions WD-RF10: 3.6" * 3.85" * 12.3"WD-RF15: 3.6" * 3.85" *...
Trusted
Model number WD-WF13 Operating temperature 40-100℉ / 5-38℃ Working pressure 15-100 psi / 100-689 kPa...
1 -12 of 17 products

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