A1
$649.00
A2
$499.00
K19-S
$309.00
RO System Water Filtrations Comparison
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Products
A1
A1
A1
WD-A1
A2
WD-A1
K19-S
WD-K19-S
K19-SFK
WD-K19-SFK
K19-H
WD-K19-H
N1-W
WD-N1-W
C1S
WD-C1S
C1H
WD-C1H
C1SL
WD-C1SL
M1
WD-M1
$649.00
A2
A2
A1
WD-A1
A2
WD-A1
K19-S
WD-K19-S
K19-SFK
WD-K19-SFK
K19-H
WD-K19-H
N1-W
WD-N1-W
C1S
WD-C1S
C1H
WD-C1H
C1SL
WD-C1SL
M1
WD-M1
$499.00
K19-S
K19-S
A1
WD-A1
A2
WD-A1
K19-S
WD-K19-S
K19-SFK
WD-K19-SFK
K19-H
WD-K19-H
N1-W
WD-N1-W
C1S
WD-C1S
C1H
WD-C1H
C1SL
WD-C1SL
M1
WD-M1
$309.00
Specs
Pure to Drain Rate
Flow Capacity
100 GPD
100 GPD
75 GPD
Flow Rate
0.07 GPM
gallon per minute
*The capacity of the glass is 8oz
0.07 GPM
gallon per minute
*The capacity of the glass is 6oz
0.05 GPM
gallon per minute
*The capacity of the glass is 8oz
Dispensing Option
Ambient Water
Instant Hot Water
Chilled Water
Ambient Water
Instant Hot Water
Chilled Water
Ambient Water
Instant Hot Water
Chilled Water
Water Tank Capacity
204 oz
159 oz
170 oz
Installation
No Installation
Drill a hole in the countertop
No Installation
Drill a hole in the countertop
No Installation
Drill a hole in the countertop
Dimensions
18.3” *7.8” *17.1”
15.9”*8.2”*15.7”
15.51" *9.2”*17.56"
Item weight
38.58lb
22lb
16.3lb
Electricity Required
Warranty
1 Year
1 Year
1 Year
Usage scenario
Countertop
Countertop
Countertop
Certification & Test
NSF 58 & 372
FCC
CE
Reddot design award winner
SGS
TUV
UL
Filtration
Filtration stages
6 Stages
5 Stages
6 Stages
Reduce
99.9% UV Sterilization Rate.
TDS, PFAS, fluoride, chlorine, inorganic arsenic compounds, salts like nitrate and chloride, viruses, bacteria, and other harmful substances
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
99.9% UV Sterilization Rate.
TDS, PFAS, fluoride, chlorine, inorganic arsenic compounds, salts like nitrate and chloride, viruses, bacteria, and other harmful substances
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
99.9% UV Sterilization Rate
TDS, PFAS, fluoride, chlorine, inorganic arsenic compounds, salts like nitrate and chloride, viruses, bacteria, and other harmful substances
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
Heavy metals: chromium, lead, arsenic, iron, radium, and calcium
Dirt, dust, sand, chlorine, taste and odor, colloid, residual large particles, suspended solids, rust, sediment, large particles, scale
Filter
Filter life span
Average annual cost
$129.97
$69.99
$75.00
Smart Design
Filter life indicator
TDS Display
Temperature adjustment
UV sterilizer
Self-clean
Adjustable volume
Sound reminder
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