- [Compact design&convenient to use] The countertop RO water filter system requires no plumbing or installation and can be directly used after being powered on. Therefore, you can put the countertop water filtration system in a living room, a bedroom, an RV or other places wherever you want to go.
- [Super filtration] Through PP cotton, activated carbon, reverse osmosis and UV light, the countertop water filter system can achieve excellent filtration, which makes it the best water purifier ever.
- [Water saving and cost saving] The countertop water filter system K19 has an impressive 3:1 drain ratio and reduces water consumption with a drain water recycling technology. The filter can last up to 12 months.
- [170 OZ high-capacity tank] By the ergonomic design, the tank of the countertop RO water filter system facilitates water filling. The tank is designed to be compact, but has a 170 OZ high capacity, which can meet the water demand of a big family for a whole day.
- [Smart design] By means of a smart display screen, you can check the filter status, the TDS value, the preset water volume and other information easily. The countertop water filter system comes with 4 modes of fixed water volumes, which can be set in advance.
Countertop Reverse Osmosis Water Filter System - Waterdrop K19
Model
WD-K19-S
Installation
Not required
Pure to Drain Rate
3 : 1
Front Panel Display
Filter lifespan & TDS
Fliter Cartridges
WD-K19RF
Filter Lifespan
12 Months
Size(L*W*H)
13.8" *7.9”*16.3"
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
Feed Water TDS Level
TDS < 500
Warranty
1 Year
Technical Support
Technical Support
How often do I need to change the filter?
How to install the countertop RO water filter system
How to fill the RO water filter system with water?
Where should I put this water filter system?
Do I need to replace the UV lamp regularly?
Is this reverse osmosis water filter system unit suitable for well water?












![]() WD-K19-H |
![]() WD-K19-S |
![]() WD-N1-W |
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Daily Production Rate | 75 GPD | 75 GPD | 75 GPD |
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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 & TDS & Water volume & Water temperature | Filter lifespan & TDS & Water volume | Filter lifespan & TDS & Water volume |
Water Capacity Options | 5 | 4 | 4 |
Water Tank Capacity | 170 Oz | 170 Oz | 135 oz |
Self-clean | √ | √ | √ |
Electricity Required | √ | √ | √ |
Need Installation | × | × | × |
Filter Cartridges |
WD-K19RF |
WD-K19RF |
WD-N1-CF WD-N1-MRO |
Filter Lifespan | 12 Mths | 12 Mths | CF-6 Mths MRO-18 Mths |
Dimensions (inch) | 15.51" * 9.2" * 17.56" | 15.51" * 9.2" * 17.56" | 17.1×7.0×15.5 |

- Provides you with 12 months or 1,000 gallons of clean filtered water.
- Replace the water filter in 3 seconds with a single twist. No tools are required.
- Reduce most contaminants and improves the taste of water.
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