Waterdrop D6 Under Sink Reverse Osmosis System

Waterdrop D6 Reverse Osmosis System Saves Space and Delivers Purity

The Waterdrop D6 Under Sink Reverse Osmosis System is an advanced, space-saving filtration solution engineered to provide ultra-pure, great-tasting water directly from your tap.

Equipped with a powerful 5-in-1 composite filter and a high-efficiency reverse osmosis membrane, the D6 system reduces up to 99% of harmful contaminants—including chlorine, lead, arsenic, nitrates, fluoride, PFAS, and more—ensuring clean and safe drinking water for your entire household. The integrated filter design simplifies the filtration process while maintaining superior performance.

At the core of the system lies a 600 GPD reverse osmosis membrane that ensures a fast and stable water flow while significantly reducing waste. With a low 1.5:1 drain ratio, the D6 is one of the most water-efficient systems on the market, helping you conserve both water and money.

Designed for modern living, the D6 features a sleek, tankless design that frees up valuable cabinet space and eliminates the risk of secondary contamination. The smart LED display faucet provides real-time TDS readings and filter life updates, giving you complete control and peace of mind.

Waterdrop D6 RO System: Key Features

6-Stage Filtration - The reverse osmosis membrane has a filtration accuracy of 0.0001μm. This 6-stage filter reduces a wide range of contaminants, including TDS, lead, chlorine, salt, nitrates, PFAS, sodium, chromium, benzene, and more. According to the RO membrane technical manual, it can also reduce toxic chemicals such as vinyl chloride, ethylhexyl acrylate, isobutylene, and ethylene glycol monobutyl ether. The activated carbon block is made from natural coconut shells. Please check for any coconut allergies before use.

600 GPD & 2:1 Low Drain Ratio - The upgraded Waterdrop reverse osmosis system delivers a high flow rate of 600 GPD. Thanks to its internal pump and expanded filter surface, you can fill a cup of water in just 8 seconds. With a low drain ratio of 2:1, the system produces only 1 cup of wastewater for every 2 cups of purified water.

Smart Designer Faucet - The tankless RO system includes a stylish smart faucet with a built-in high-end display. The screen shows real-time TDS levels and remaining filter life. It’s fully waterproof, so there’s no risk of electrical leakage. Alongside the filter life indicator on the control panel, the D6 system saves you time by automatically monitoring key performance metrics.

Tankless & Easy Installation - The D6 RO system features a compact, tankless design and a composite filter. It saves up to 70% of under-sink space and reduces the risk of recontamination compared to traditional systems. DIY installation can be completed in just 30 minutes. The push-in design allows for tool-free filter replacement in just 2 seconds—no need to move the system.

Waterdrop D6 RO System: Upgraded 6-Stage Filtration, Care From The Beginning

The Waterdrop D6 under sink reverse osmosis system is upgraded to 6-stage filtration with a filtration accuracy of 0.0001μm. It can reduce 1,000+ kinds of harmful substances in water to ensure the purity and safety of your water.

Waterdrop D6 RO System: 600 GPD Fast Flow

600GPD large capacity ensures a faster flow, which is also more stable and durable. It only takes 8-sec to fill a glass of water with this fabulous tankless reverse osmosis, no need to wait whether drinking or cooking.

Save Water Bills, More Sustainable with Waterdrop D6 RO System

With 2:1 drain ratio, this tankless reverse osmosis system can filter twice the purified water and only one cup of waste water, make efficient use of water resources and reduce your pressure on water bills.

Waterdrop D6 RO System: Quick Replacement with a Pull-And-Push

The horizontal pull-out filter in the under sink reverse osmosis filter can be easily replaced in just 2-sec. It only needs to be replaced once a year and can be easily operated at home.

*We do not recommend using well water as a source for our RO systems. We do not recommend directly connecting a tankless RO to a refrigerator or ice maker.

Save More Space Without Secondary Contamination with Waterdrop D6 RO System

Intimate tank-less design of this reverse osmosis filter system saves more storage space under sink, no secondary contamination and safer.

Waterdrop D6 RO System: No Leaking Risk

Advanced integral waterway with no leaking points. The Waterdrop under sink RO system keeps you away from safety risks and protects your family always.

Smarter, Cleaner with Waterdrop D6 RO System

Automatic flushing of the filter and water lines. Even if you go out for a short period of 24 hours, you can drink fresh and purified water at home, bringing you pure enjoyment at any time.

Waterdrop D6 RO System: Replacement Filter

SKU: WD-D6RF (Click to Purchase)

This D6 RO water filter provides you with up to 12 months or 1,000 gallons of clean water for you and your family.