Countertop Alkaline Reverse Osmosis Water Filter System K19-SFK
Model number
K19-SFK
Certification
NSF/ANSI 53 & 58 & 42
Pure to drain
3:1
Size(L*W*H)
15.5"*9.2"*17.5"
Fliter Cartridges
WD-K19RF-FK
Filter Lifespan
12 Months
Feed Water Temperature
41-100 °F/5-38 °C
Daily Production Rate
75 GPD
Feed Water Requirement
Municipal Tap Water
Power
34W
Dispenser Voltage
100-240V
Rated Frequency
50/60 Hz
Supported Water TDS Level
TDS < 700
Warranty
1 Year
Does this countertop RO water system need to be drilled?
Is this water filter big? I have limited countertop space.
What is the mineralization function?
Does this purifier waste a lot of water?
How often do I need to change the filters?
Can this RO system improve my water quality?











![]() K19-SFK Countertop Remineralization RO System Add to Cart
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Price | $319.00 | $309.00 | $349.00 | $649.00 |
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Daily Production Rate | 75 GPD | 75 GPD | 75 GPD | 100 GPD |
Pure to Drain Rate
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Drain ratio stands for the ratio of wastewater and purified water dispensed by a RO system. For example, the 3:1 drain ratio means it uses up a
gallon of wastewater for every 3 gallons of pure water you get.
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Display | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume & Water temperature | Filter lifespan & TDS & Water volume & Water temperature |
Water Capacity Options | 4 | 4 | 5 | 5 |
Water Tank Capacity | 170 Oz | 170 Oz | 170 Oz | 204 Oz |
Self-clean | √ | √ | √ | √ |
Electricity Required | √ | √ | √ | √ |
Need Installation | × | × | × | × |
Filter Cartridges |
K19-RF-FK |
K19-RF |
K19-RF |
A1-CF A1-RO |
Filter Lifespan | 12 Mths | 12 Mths | 12 Mths | CF-6 Mths RO-12 Mths |
Dimensions (inch) | 15.5"*9.2"*17.5" | 15.5"*9.2"*17.5" | 15.5"*9.2"*17.5" | 15.5"*9.2"*17.5" |

- Provides up to 12 months or 1,100 gallons of clean water.