#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Filters
Under Sink Water Filters
Under Sink Water Filter Systems

Under Sink Water Filter Systems

19 Results
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Under Sink Water Filter Systems

Review Rating

caret-icon
4 & Up3 & Up2 & Up1 & Up0

Brand

caret-icon

Price

caret-icon
to

Filtration Method

caret-icon

Number of Stages

caret-icon

Includes

caret-icon

Reduces

caret-icon

House Hold Size

caret-icon

Filter Life (Months)

caret-icon

    Sort by

    Top Sellers
X12 Alkaline pH+RO System, NSF/ANSI 58 and 372 Certified, 11-Stage, Includes 3 WD-F2 and 1 WD-F1A Filters, 2-Year Supply
(3 / 8)
Model# B-WD-X12-3F2F1
Limit 20 per order
$1,068.99
Was $1,419.99
Save $351.00 (25%)
X16 Tankless RO System,NSF/ANSI 58&372 Certified,11-Stage Filtration,Includes 3 WD-F2 & 1 WD-F1A Filters,2-Year Supply
Model# B-WD-X16-3F2F1
Limit 20 per order
$1,528.99
Was $2,119.99
Save $591.00 (28%)
Top Rated
RO1000-BN Tankless Reverse Osmosis Water Filtration System, 1000 GPD Fast Flow
(4.6 / 194)
Model# RO1000-BN
$1,047.53
WD-X16 Tankless RO System: NSF/ANSI 58&372 Certified, 1600 GPD, 11-Stage Filtration, 3:1 Pure to Drain, BPA-Free
Model# B-WD-X16-SC
$1,999.99
X16 Tankless Reverse Osmosis System, NSF/ANSI 58, 372 Certified,Alkaline Mineral pH+,BPA Free, Include Extra F2 Filter
Model# B-WD-X16-F2
$1,499.00
Was $2,024.99
Save $525.99 (26%)
X16 Tankless Reverse Osmosis System NSF/ANSI 58 and 372 Certified Under Sink RO Alkaline Mineral PH Water Filter Pitcher
Model# B-WD-X16-05B
$1,499.00
Was $2,009.99
Save $510.99 (25%)
X16 Tankless RO System, 11-Stage Filtration, Alkaline Mineral PH, NSF Certified Elfin Pink Water Filter Pitcher (7-Cup)
Model# B-WD-X16-05P
$1,499.00
Was $2,009.99
Save $510.99 (25%)
X16 Tankless RO System, NSF/ANSI 58 372 Certified,11-Stage Filtration, Alkaline Mineral Ph, BPA Free Extra X16-F3 Filter
Model# B-WD-X16-F3SET
$1,665.99
Was $2,174.99
Save $509.00 (23%)
X12 Alkaline Mineral PH RO System, NSF/ANSI 58 372 Certified 11-Stage Filtration Tankless BPA Free Extra X12-F3 Filter
Model# B-WD-X12-F3SET
$1,149.99
Was $1,454.99
Save $305.00 (21%)
X16 Tankless RO System, NSF/ANSI 58 and 372 Certified, Alkaline Mineral PH, BPA-Free Lucid 10-Cup Water Filter Pitcher
Model# B-WD-X16-07B
$1,499.00
Was $2,014.99
Save $515.99 (26%)
X12 Alkaline Mineral pH+ Reverse Osmosis System, NSF/ANSI 58, 372 Certified,11-Stage,3:1 Pure, Includes Extra F2 Filter
Model# B-WD-X12-F2
$1,119.99
Was $1,324.99
Save $205.00 (15%)
All-in-One Water Care Set: WD-X16 Tankless RO System (11-Stage, BPA-Free) and 3-Pack AP431-3 Hot Water Scale Inhibitor
Model# B-WD-X16-431-3
$1,535.99
Was $2,045.99
Save $510.00 (25%)