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Description
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8-Stage Filtration: Upgraded for Purified Water
SimPure Q3-600 series is an advanced RO and water purifier equipped with an 8-stage filtration system that eliminates over 99.99% of contaminants. It removes harmful substance PFAS, heavy metals (lead, arsenic, uranium, and etc), TDS (nitrates, nitrites), fluoride, microplastics, VOCs, and over 1,000 substances such as ethylene glycol, vinyl chloride, and acrylic acid and odors.
Extra Pufification Light and Continuous Automatic Flushing Technology
SimPure Q3-600U features an extra pufification light and 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.


600 GPD High-Performance Flow Rate for Seamless Water Access
SimPure Q3-600 under sink tankless ro system is a high-efficiency RO water system engineered to deliver filtered water rapidly. Featuring a 600G RO membrane, it fills an 8-ounce glass in just 8 seconds, giving you fresh, great-tasting water instantly. Compact and tankless, this under-sink design fits seamlessly into homes, offices, or RVs, providing a convenient solution for modern kitchens.
One-Touch Purity at Your Fingertip
Filter Lifespan Alert: When it's time to replace the filter, the light will flash continuously to alert you, ensuring you never miss a replacement.
Real-Time TDS Monitor: Equipped with real-time TDS (Total Dissolved Solids) monitoring, ensuring that you always know the quality of your water.


Compact Tankless Design: Sleek and Space-Saving, No Bulk, No Hassle
SimPure Q3-600 under-sink RO system combines advanced filtration with a sleek, tankless design. Taking up only 70% of the space of traditional systems, it’s perfect for kitchens with limited space, while eliminating the chores associated with tank upkeep.
2:1 Low Pure-to-Drain Ratio: Maximizing Water Conservation and Cost Savings
With a 2:1 low water-to-waste ratio, SimPure Q3-600 maximizes water use while minimizing excess discharge. Users benefit from lower water bills and an eco-friendly kitchen solution without compromising performance.

User-Friendly Installation: 3s Filter Replacement for Hassle-free Maintenance
SimPure Q3-600 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 |
Q3-600U
$256.99
$356.99
$100 Off
|
Q3-600
$179.99
$329.99
$150 Off
|
Q3-600A
$224.99
$334.99
$110 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 RO-12Mths |
CF-6Mths RO-12Mths |
CF-6Mths ALK-6Mths RO-12Mths |
| Average annual cost | |||
| Average annual cost | $116.97 | $116.97 | $196.95 |
| 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 lbs | 16 lbs | 16.5 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 UsThe SimPure Q3-600U has an 8-stage filtration system, an LED purification light, and real-time TDS monitoring. It removes over 99.99% of contaminants, including heavy metals, fluoride, microplastics, and other impurities
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.






