SimPure Q3-600U 600GPD 8-Stage Tankless RO System with Purification Light & Real-Time TDS Monitoring


Price:
Sale price$256.99 USD Regular price$356.99 USD
  • Free Shipping on all orders
  • 30-Day Return No worries guarantee
  • 1+1 Year Warranty Hassle-free warranty

Description

Payment & Security

American Express Mastercard PayPal Venmo Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

SimPure Q3-600U 600GPD 8-Stage Tankless RO System with Purification Light & Real-Time TDS Monitoring
$256.99 Save $100 With Coupon
simpure Q3-600 sgs test report

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.

simpure q3-600uv tankless ro system
simpure q3-600uv 8-stage under sink tankless ro system

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.

simpure q3-600 under sink tankless ro system
simpure Q3 600GPD under sink tankless ro system

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.

simpure q3-600uv 8-stage under sink tankless ro system

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

simpure q3-600 refrigerator connectionsimpure q3-600 tankless ro system refrigerator connection.jpg__PID:d6c99e7e-f138-471d-bdbc-a608e593dd14

Customers' Real Review Videos on SimPure Q3-600 Tankless RO System

Q3-600U Specification
X12
Specification
Model
Q3-600U
Pure to Drain
2:1
Product Dimensions (In)
13.5 (L)*6 (W)*12 (H)
Product Weight (lb)
16
Filtration
8-Stage
Capacity
600GPD
Certification
NSF/ANSI 58
Flow Rate
0.42 Galllons/Min
Feed Water TDS Level
<500 ppm
Electricity Required
Yes
X Series Product Comparison
← Scroll to compare all products →
Compare
Q Series
Q3-600uv Product
Q3-600U
$256.99 $356.99 $100 Off
Q3-600 Product
Q3-600
$179.99 $329.99 $150 Off
Q3-600A Product
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

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 Us

The 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.

Replacement Filters

SimPure Q3-600 Series One Set of Replacement Filter
SimPure Q3-600 Series One Set of Replacement Filter

SimPure Q3-600 Series One Set of Replacement Filter

$79.99
  • This filter cartridge will be restocked around January 20, 2026
  • Replacement Filter Set: 1x CF filter, 1x RO filter
  • Only Compatible with SimPure Q3-600/ Q3-600T/Q3-600A/Q3-600U
  • 3s Replacement, No Disassembly: Replacement can be completed within 3 seconds with a single twist, and no need to use any tool. We are providing you with the easiest way to install without disassembly.
View Details

You may also like