- [Plug and play] This countertop reverse osmosis system can be used directly through sockets in your kitchen, bedroom, office, or even RV, with no installation or drilling required. If you are renting a home, this RO system is unquestionably the best option. Note: This RO system needs to be powered on to be used.
- [V-type heating technology] Thanks to its superior filtration capacity and innovative heating technology, this reverse osmosis system K19-H can dispense hot water in 1 second and cannot produce limescale. Furthermore, because of its instant heating design, this system avoids reboiling, ensuring that every cup of water is pure and fresh.
- [Custom water temperature&adjustable volume] This instant hot water filter system comes with four volume options including 8 oz, 12 oz, 16 oz and 20 oz and can stop dispensing water once it reaches selected volume. This RO water filtration system K19-H not only comes with 4 temperature options (room temperature, 113℉, 185℉ and 203℉), but also allows temperature adjustment in the range of 122℉-194℉ at an interval of 9℉, meeting demands for water at different temperatures.
- [6-stage deep filtration & UV light] Its 5-in-1 filter of this RO instant hot water dispenser is paired with a UV light and can effectively reduce TDS, chromium, PFAS, fluoride, arsenic, salt, heavy metals, nitrate, particles, chloride and other harmful substances through layer-by-layer fine filtration, ensuring every drop is purified.
- [Smart design] This instant hot water reverse osmosis system features an easy-to-use operating panel and a smart screen which displays the temperature, water volume, water filtration, flushing states, water quality, and UV light work states, and it also comes with a plateau mode. Additionally, this countertop RO system is equipped with a water shortage and dry burning reminder and a child lock to ensure the safety of you and your family.
- [Saving more] The K19-H countertop water filter system has an impressive 3:1 drain ratio, which reduces water consumption via a drainage recycling technology. Because of its 170 oz high-capacity water tank, frequent water refilling is avoided, and feed water and waste water can be separated. Furthermore, this composite filter only needs to be replaced once a year, saving you both time and money.
- Please fill the feed water tank to the maximum mark for water volume every time it needs to be refilled to increase the utilization rate of water."
Model number
WD-K19
Pure to Drain Rte
3:1
Daily Production Rate
75 GPD
Feed Water Temperature
Feed Water Temperature
Output Water Temperature
41-203°F/5-95°C
Water Tank Capacity
170 Oz
Filter Lifespan
12 Months
Power
1640W
Dispenser Voltage
110-120V
Rated Frequency
50/60 Hz
Feed Water Requirement
Municipal Tap Water
Feed Water TDS Level
TDS < 500
Warranty
1 Year
Dimensions(inch)
15.51" * 9.2" * 17.56"
How many degrees of hot water can be provided by this water filter system?
Do I need to drill a hole on my countertop by use of this product?
Can this water filter system reduce fluorides?
Does this system have a UV sterilization function?
How often should I replace the filter?
Can I use this water filter system on an RV?











![]() WD-C1H |
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![]() WD-K19-H |
![]() WD-K19-S |
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Price | |||||
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Daily Production Rate | 75 GPD | 75 GPD | 100 GPD | 75 GPD | 75 GPD |
Pure to Drain Rate
![]() 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 & Water volume & Water temperature | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume & Water temperature | Filter lifespan & TDS & Water volume & Water temperature | Filter lifespan & TDS & Water volume |
Water Capacity Options | 5 | 5 | 5 | 5 | 4 |
Water Tank Capacity | 110 OZ | 110 OZ | 204 Oz | 170 Oz | 170 Oz |
Self-clean | √ | √ | √ | √ | √ |
Electricity Required | √ | √ | √ | √ | √ |
Need Installation | × | × | × | × | × |
Filter Cartridges |
WD-C1RF |
WD-C1RF |
WD-A1-CF WD-A1-RO |
WD-K19RF |
WD-K19RF |
Filter Lifespan | 12 Mths | 12 Mths | WD-A1-CF: 6 Months WD-A1-RO: 12 Months |
12 Mths | 12 Mths |
Dimensions (inch) | 15.6” *10.9” *17.0” | 15.6” *10.9” *17.0” | 18.3” *7.8” *17.1” | 15.51" * 9.2" * 17.56" | 15.51" * 9.2" * 17.56" |

- The filter can last at least 12months.