Waterdrop D6 600GPD Under Sink Reverse Osmosis System (SC)

$299.00
$299.00
$539.00
Shipping calculated at checkout.

D6 RO Filtration System
D6 RO Filtration System
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D4 RO Filtration System
 G3P800 RO Filtration System
G3P800 RO Filtration System
 G3 RO Filtration System
G3 RO Filtration System
 G2P600 RO Filtration System
G2P600 RO Filtration System
 G2MNR RO Filtration System
G2MNR RO Filtration System
Need Installation √ √ √ √ √ √
Beneficial Minerals × × × × × √
Flow Rate 600 GPD 400 GPD 800 GPD 400 GPD 600 GPD 400 GPD
Pure to Drain Rate
wd-pure-to-drain-rate-icon
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.


Pure to Drain Rate Pure to Drain Rate Pure to Drain Rate Pure to Drain Rate Pure to Drain Rate Pure to Drain Rate
Faucet Smart faucet Ordinary faucet Smart faucet Smart faucet Ordinary faucet Ordinary faucet
Display Filter lifespan & TDS Filter lifespan Filter lifespan & TDS Filter lifespan & TDS Filter lifespan Filter lifespan
Self-clean √ √ √ √ × ×
Holiday mode √ × √ √ × ×
Electricity Required √ √ √ √ √ √
Filter Cartridges WD-D6RF WD-D4RF
 WD-G3-N1CF
WD-G3P800-N2RO
WD-G3-N3CB 		WD-G3-N1CF
WD-G3-N2RO
WD-G3-N3CB 		WD-G2CF
WD-G2P6MRO		 WD-MNR35
WD-G2CF
WD-G2MRO
Noise(≤) 55dB 55dB 65dB 65dB 55dB 55dB
Filter Lifespan 12 months 12 months CF-6 months
CB-12 months
RO-24 months		 CF-6 months
CB-12 months
RO-24 months		 CF-12 months
P6MRO-24 months		 MNR-12 months
CF-12 months
MRO-24 months
Dimensions (inch) 15.98*5.98*11.97 16.02*6.22*12.44 18.11*5.67*17.72 18.11*5.67*17.72 17.32*5.91*13.9 17.32*5.91*13.9
[1] Information is based on Radionuclides in Drinking Water by EPA.
Adcanced RO Filtration
Reduces PFAS
wd-product-a1-overview
wd-product-a1-overview

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.
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 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.

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 source for our RO systems. We do not recommend directly connecting tankless RO to a refrigerator or ice maker.

Save More Space Without Secondary Contamination

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

No Leaking Risk

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

Smarter, Cleaner

Automatic flushing of 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.


THIS PRODUCT IS SOLD VIA SHOPIFY COLLECTIVE (SC). IT WILL BE SHIPPED DIRECTLY FROM THE BRAND PARTNER AND MAY HAVE SEPARATE SHIPPING CHARGES WHERE ANY ENTROPY SHIPPING DISCOUNTS ARE NOT APPLICABLE. TYPICALLY, IF SHIPPING CHARGES ARE NOT SPECIFIED IN CHECKOUT, PRODUCTS COULD REQUIRE A SEPARATE SHIPPING QUOTE & CHARGE POST-TRANSACTION FROM THE BRAND PARTNER, EVEN IF SHIPPING IS MARKED AS "FREE." WE WILL CONTACT YOU ASAP IN THOSE CASES. ADDITIONALLY, ENTROPY PRODUCT DISCOUNTS DO NOT APPLY TO (SC) PRODUCTS DUE TO LIMITED MARGINS.
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