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8-Stage Filtration, Upgraded for Purity & Alkaline Benefits
SimPure Q3-600A is a premium tankless reverse osmosis system with alkaline remineralization. Its advanced 8-stage filtration effectively reduces over 1,000 impurities, including heavy metals, TDS, fluoride, microplastics, and VOCs. The final alkaline stage restores essential minerals and balances pH, producing smoother, better-tasting water. Perfect for under-sink installation, the Q3-600A delivers mineral-enhanced water directly from your tap.
600 GPD Turbo Flow Rate for Quick and Reliable Purification
SimPure Q3-600A is equipped with a high-performance 600G RO membrane, offering an impressive flow rate that fills an 8-ounce glass in just 8 seconds. Whether you're quenching your thirst, cooking, or preparing drinks, you'll enjoy instant access to fresh, purified water without any delays. Its rapid filtration ensures you never have to wait, making it the perfect choice for busy kitchens, offices, or even RVs, all while maintaining the purity and taste of your water.


Upgraded Alkaline Filter, Balanced pH and Mineral-Rich Water
Balanced pH and Mineral-Enriched Water: The upgraded alkaline filter enhances your water by balancing its pH, transforming it into a more beneficial, more hydrating drink. It adds essential minerals like calcium, magnesium, and potassium, improving both the water's taste and its nutritional value, for a smoother, more refreshing experience.
Automatic Flushing Technology, Enjoy Puried Water Anytime
SimPure Q3-600 series features continuous automatic flushing technology, ensuring every cup of water is crisp and fresh. This smart system not only maintains high water quality but also extends the life of the RO filter, requiring replacement only once a year.


Compact Tankless Design: Sleek, Space-Saving, and Hassle-Free
SimPure Q3-600A tankless under-sink RO system delivers fresh, great-tasting water with a compact, modern design. Taking up only 70% of the space compared to traditional RO systems with tanks, it fits seamlessly into any kitchen while reducing maintenance hassle.
2:1 Low Pure-to-Drain Ratio: Maximizing Water Conservation and Cost Savings
SimPure Q3-600A under sink tankless RO system features a 2:1 low pure-to-drain ratio, delivering 2 cups of highly purified RO water for every 1 cup of waste. This design saves up to 8 times more water compared to other RO systems, benefiting both the environment and your wallet. Enjoy cost-effective, eco-friendly filtration with our SimPure Q3-600A under sink ro system

User-Friendly Installation: 3s Filter Replacement for Hassle-free Maintenance
SimPure Q3-600A tankless reverse osmosis system with alkaline remineralization is designed for easy DIY installation. The process is simple, with installation videos available for guidance. All necessary accessories are included, and the step-by-step instructions are clearly illustrated in the manual. This saves you the cost of hiring professional installers, helping you cut down on installation fees.
Innovative Design: Can be Connected to Refrigerator and Ice Maker


Customers' Real Review Videos on SimPure Q3-600 Tankless RO System
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Compare Q Series |
Q3-600A
$224.99
$334.99
$110 Off
|
Q3-600
$179.99
$329.99
$150 Off
|
Q3-600U
$246.99
$346.99
$100 Off
|
|---|---|---|---|
| Flow Rate | |||
| Flow Rate | 600 GPD | 600 GPD | 600 GPD |
| Alkaline Mineralization | |||
| Alkaline Mineralization | √ | x | x |
| TDS Display | |||
| TDS Display | x | x | √ |
| Pure to Drain Rate | |||
| Pure to Drain Rate | 2:1 | 2:1 | 2:1 |
| Filtration Stages | |||
| Filtration Stages | 8-Stage | 7-Stage | 8-Stage |
| Filter lifespan | |||
| Filter lifespan |
CF-6Mths ALK=6Mths RO-12Mths |
CF-6Mths RO-12Mths |
CF-6Mths ALK-6Mths |
| Average annual cost | |||
| Average annual cost | $196.95 | $116.97 | $116.97 |
| Warranty | |||
| Warranty | 2 Years | 2 Years | 2 Years |
| Certification | |||
| Certification | NSF/ANSI 58 | NSF/ANSI 58 | NSF/ANSI 58 |
| Dimensions (inch) | |||
| Dimensions (inch) | 13.5L * 6W * 12H | 13.5L * 6W * 12H | 13.5L * 6W * 12H |
| Item Weight | |||
| Item Weight | 16.5 lbs | 16 lbs | 16 lbs |
FAQ
Discover helpful answers about the SimPure Q3-600 series under sink tankless RO system. Learn how it works, what it removes, and how to maintain it. This FAQ section covers installation tips, filter lifespan, flow rate, and direct-to-fridge connection details for your reverse osmosis system.
Contact UsYes. The 8-stage filtration system with 0.0001μm RO membrane is specifically designed to eliminate chlorine, heavy metals, chemicals (including PFAS), and many other impurities from your tap water.
With a 600 GPD (gallons per day) high-flow RO membrane, the Q3-600A fills an 8-ounce glass in just 8 seconds. It’s ideal for busy households, offices, or even RVs — no waiting, just instant access to purified water anytime.
Filter lifespan depends on usage and water quality: CF Filter: Every 6–12 months RO Filter: Every 12–18 months Alkaline Filter: Every 6 months The system also includes a filter life reminder, and replacement filters can be swapped in just 3 seconds — no tools required.
Yes! The SimPure Q3-600A supports a refrigerator/ice maker connection, giving you access to purified, mineral-rich water for your beverages and ice.








