SimPure Q3-600 7-Stage 600GPD Under Sink Tankless RO Water Filtration System


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Sale price$179.99 USD Regular price$329.99 USD
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SimPure Q3-600 7-Stage 600GPD Under Sink Tankless RO Water Filtration System
$179.99 Save $150 With Coupon
simpure q3-600 tankless reverse osmosis system

Under Counter RO System with 600 GPD High Flow Rate

SimPure Q3-600 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.

Advanced 7-Stage Filtration Water Filter for Home Under Sink

Experience the superiority of 7-stage filtration with SimPure Q3-600 Under Sink Tankless RO System. The CF filter removes 99.99% of large particles, residual chlorine, color, and odors, while the RO filter eliminates 99.99%+ of PFAS: PFOA & PFOS, heavy metals (lead, arsenic, uranium), TDS (nitrates, nitrites), chloride, fluoride, microplastics, ethylene glycol, vinyl chloride, and acrylic acid. (See SGS Test Report for more Details). It can be called the best 7 stage under sink water filtration system.

simpure Q3-600 sgs test report
simpure Q3 600GPD under sink tankless ro system

Automatic Flushing System – Fresh Water Ready Whenever You Need It

SimPure Q3-600 series is equipped with proprietary technology that addresses the common high TDS issue in the first glass of water, preventing off-tastes. Enjoy consistently refreshing, crisp water with every pour. This intelligent system also optimizes RO filter longevity, requiring replacement just once a year.

Compact Tankless Design: Efficient Space-Saving Under Counter RO System

SimPure Q3-600 under-sink RO system adopts a sleek tankless design, offering a steady supply of filtered water without occupying extra space. With 30% more room than conventional RO systems, it fits seamlessly into any kitchen layout and minimizes routine upkeep.

simpure Q3 600 under sink reverse osmosis water filter system
simpure q3-600 tankless reverse osmosis system

2:1 Low Pure to Drain Ratio: Perfect 7 Stage Under Sink Water Filtration System

With a 2:1 low wastewater ratio, the SimPure Q3-600 under-sink RO system delivers 2 cups of filtered drinking water for every 1 cup of waste. This efficient design conserves up to 8 times more water than typical RO systems, helping you save on bills while supporting eco-conscious living. Enjoy convenient, cost-effective filtration with the Q3-600.

User-Friendly Installation: Convenient Maintenance for Undersink RO Water System

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

Q3-600 Specification
Q3-600
Specification
Model
Q3-600
Pure to Drain
2:1
Product Dimensions (In)
13.5 (L)*6 (W) *12 (H)
Product Weight (lb)
16
Filtration
7-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
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Compare
Q Series
Q3-600 Product
Q3-600
$179.99 $329.99 $150 Off
Q3-600UV Product
Q3-600U
$256.99 $356.99 $100 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 7-Stage 8-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.

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The SimPure Q3-600 offers the core high‑flow, low‑waste RO performance (600 GPD flow, 2:1 pure‑to‑drain ratio) but without the extra remineralizing or monitoring features of the A and U variants.

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! All SimPure Q3-600 series under sink tankless RO supports a refrigerator/ice maker connection, giving you access to purified 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

$93.99

 

  • 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.
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