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Bring the ultimate in water purification to your home with the Kind Water's NSF® certified 6-Stage Reverse Osmosis Drinking Water System. This compact under-sink advanced filtration system uses a 6-step process to remove up to 99% of dangerous contaminants, including heavy metals, chemicals, and total dissolved solids, providing you and your family with pure, great-tasting drinking water.
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6-Stage System
Every drop filtered, every sip pure.
Six precisely engineered stages work together to deliver clean, great tasting water at every tap.
System Summary
This 6-Stage Reverse Osmosis System uses a sediment filter, multiple carbon filters, and a high-efficiency RO membrane to remove impurities, polish the water, and finish with a remineralization stage that restores healthy, great-tasting minerals — all built into two easily replaceable filter cartridges for simple maintenance.
Pre filter to remove dirt, sand, & suspended solids.
Granular activated carbon (GAC) to reduce chlorine taste & odor.
High-efficiency 50 GPD membrane that reduces salts, heavy metals, and total dissolved solids (TDS).
Granular activated carbon (GAC) to polish the water.
Inline charcoal and calcite remineralization filters enhance taste and restore beneficial minerals like calcium and magnesium.
The built in storage tank keeps a reserve of purified water ready on demand, so you always have clean, great tasting water available instantly.
The first line of defense—this sediment filter keeps your water crystal clear and your system running efficiently by capturing dirt and debris before they cause buildup.
Provide great tasting water by reducing chlorine taste & odor.
Integrates a high-efficiency 50 GPD membrane and granular activated carbon to reduce salts, heavy metals, and total dissolved solids (TDS) while polishing the water for improved taste and clarity.
The inline 2-stage cartridge combines coconut-shell carbon and calcite remineralization media to enhance taste, restore beneficial minerals like calcium and magnesium, and balance your water's natural pH for a smoother, fresher flavor.
Product Details
Dimensions
9.75" W x 13.5" D x 15.5" H (24.8 x 34.3 x 39.4 cm)
Weight: 11 lbs. (5 kg.)
Flow Rate
Membrane production: 50 GPD
System production: 14.61 GPD
Plumbing
Tank tubing (3/8" white)
Drain tubing (3/8" white)
Drain tubing (1/4" black)
Faucet tubing (3/8" blue)
Feed water tubing (1/4" green)
Feed Water Requirements
Pressure: 40-80 psi (275 kPa - 552 kPa)
Temp: 40°F - 100°F (4°C - 38°C)
TDS: < 2000 mg/L
Chlorine: < 1.0 mg/L
Turbidity: < 1 NTU SDI < 5
pH: 4-8
Electricity
Does not require electricity
Wastewater
TDS rejection: 96.5%
Recovery: 26.76%
Efficiency Rating: 15.6%
Warranty
Lifetime + 120-day satisfaction guarantee
Certification
NSF/ANSI - 58
Made In
USA
Clear Water Doesn’t Always Mean Clean Water. We Fix That.
Chemicals
Chlorine
Common in municipal water, causes taste and odor issues.
Organics
Glyphosate
A widely used herbicide (Roundup) and a major concern for rural and farming communities.
Chloramine
Used as a disinfectant, harder to remove than chlorine.
Atrazine
One of the most common pesticide contaminants in U.S. drinking water; linked to hormone disruption and reproductive issues.
Benzene
Known carcinogen; frequently in the news after industrial spills or contamination events.
Install Time
1 hour for most DIYers
Tools Required
Electric drill with 3/8" bit, Phillips screwdriver, and adjustable wrench.
Installation Video
Impurity Filter
Replace every 6–12 months
Remineralization Cartridge
Replace every 6 months
Time to Replace
~5 minutes · no tools or plumber needed
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Filter Replacement Instructions
Kind Water vs. The Other Guys
Side by side with traditional salt softeners and budget filtration systems.
Compact Size
Manufacturing
DIY-Friendly Install
Easy Maintenance
Easy Replacement Subscription
NSF/ANSI Certified
Remineralization
No Electricity Required
Warranty
Bottled Water Quality
Overall rating: 4.793103 / 5 from 29 reviews.
Customers praise the Kind 6-Stage Reverse Osmosis Drinking Water System for its ability to provide pure, great-tasting water. The advanced filtration system removes up to 99% of dangerous contaminants, leading many to switch from plastic bottles.
Review topics: ["water","customer service","results","issues","taste","system","filters"].
"Very pleased with the system. It arrived timely manner. During installation I had one question. I had to leave a message, but I received a call within 20 minutes. The installation video was a huge help. The system fit nicely under my kitchen sink. The system has been working perfectly and the water pressure from it is fine. The taste is great. Highly recommend the product and the company!"
"The faucet isn’t very well made. I had to go to the hardware store for an escutcheon and the push to connect piece supply valve leaked out of the box. After a trip to the hardware store I am pleased with the performance of the system."
"Faucet started leaking on the third day of installation"
"I live in a community with hard calcified water. Since I have installed the system its been a game changer. My dogs and my kids and I can all enjoy drinking clear water without having to fight over the filtered water container!"
"I definitely like the taste, or not tasting my water."
"Takes less room than the other company which was needed and I don’t have to wait for a technician to change the filters i can do it my convenience."
"I love the taste. I love the compact size. We have been exclusive RO junkies for the last 15 years. I LOVE that our KIND WATER is USA made, providing peace of mind that we have quality parts and are not ingesting harmful byproducts!"
"Love it. Our ppm in the RO filter is at 12. Our whole house filter is in the mid 200’s . No more odor or bad taste"
"Total system working great."
"Works as advertised! Tasteless water. . Great customer service and support. Help me out with no air gap issue. 3 months in use"
Common Questions
The Kind 6-Stage Reverse Osmosis Drinking Water System removes up to 99% of contaminants including chlorine, lead, fluoride, heavy metals, and dissolved solids, while also improving taste and odor.
After purification, remineralization restores essential minerals like calcium and magnesium, helping balance pH and give your water a clean, refreshing taste.
Maintenance is simple with the Kind 6-Stage Reverse Osmosis Drinking Water System. Just replace the remineralization filters (Stages 5 & 6) every 6 months and the RO membrane (Stages 1–4) every 12 months. The easy twist-and-replace design lets you change filters in minutes, no tools or plumber needed.
Yes, the Kind 6-Stage Reverse Osmosis Drinking Water System effectively removes chlorine, chemicals, and other impurities that cause unpleasant taste and odor, leaving your water clean and refreshing.
The storage tank keeps purified water ready for use, ensuring instant flow and consistent pressure without waiting for the filtration process.
Compact design measuring 9.75" W × 13.5" D × 15.5" H fits comfortably under most standard kitchen sinks.
Installation is straightforward with color-coded tubing and quick-connect fittings. Most homeowners can complete setup in under an hour with basic tools.
No, the Kind 6-Stage Reverse Osmosis Drinking Water System does not require any electricity.
