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600 GPD Tankless Reverse Osmosis Water Filter System, Under Sink RO with Alkaline Remineralization, Smart Faucet with TDS Display, 2:1 Pure-to-Drain Ratio, NSF/ANSI 58 Certified RO Filter

600 GPD Tankless Reverse Osmosis Water Filter System, Under Sink RO with Alkaline Remineralization, Smart Faucet with TDS Display, 2:1 Pure-to-Drain Ratio, NSF/ANSI 58 Certified RO Filter

Quantity
Regular price $530.48
Regular price Sale price $530.48
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  • Risk-Free 30-Day Returns
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30-Day Hassle-Free Returns

Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.

✔ Easy return process

✔ Fast refunds

✔ No hidden conditions

Fast U.S. Shipping

We ship within the United States only — no international delays.

✔ Processing time: 1–2 business days

✔ Delivery time: 3–7 business days

✔ Real-time tracking available

👉 Track your order anytime from the header via Track Order

About This

  • 600 GPD FAST WATER FILTRATION Enjoy purified water on demand with a high-capacity 600 GPD tankless reverse osmosis system. The space-saving design eliminates the bulky storage tank and delivers freshly filtered water for drinking, coffee, tea and everyday cooking.
  • ADVANCED RO FILTRATION + ALKALINE MINERALS The 0.0001-micron RO membrane helps reduce dissolved impurities, while the alkaline remineralization stage adds minerals such as calcium, magnesium and potassium for balanced, great-tasting drinking water.
  • TWO WATER OPTIONS, ONE SMART FAUCET Choose between RO purified drinking water and PCT filtered water using the stainless steel smart faucet. Use RO water for drinking and filtered water for washing fruits, vegetables and other everyday kitchen tasks.
  • WATER-SAVING 2:1 PURE-TO-DRAIN RATIO Designed to produce two parts purified water for every one part wastewater under specified operating conditions. The efficient tankless design helps reduce water waste compared with less efficient reverse osmosis systems.
  • SMART MONITORING & EASY FILTER REPLACEMENT Monitor water quality with the TDS display and check filter-life indicators directly on the unit. The two-cartridge design simplifies maintenance, with a recommended PCT filter replacement every 12 months and RO membrane replacement every 18–24 months, depending on water conditions and usage.er-sink system frees up cabinet space and eliminates bulky storage tanks. Clean installation. Clean look. Clean water.
  • COMPACT DESIGN & MORE UNDER-SINK STORAGE Say goodbye to bulky traditional RO tanks. The OnlyPure tankless reverse osmosis system features a slim, space-saving design that fits neatly under your kitchen sink, leaving more room for cleaning supplies and everyday essentials. Enjoy powerful water filtration without sacrificing valuable cabinet space.

Overview

  • Brand : OnlyPure
  • Special Feature : Alkaline Remineralization with Ca, Mg & K, Automatic RO Membrane Flushing, Dual-Water Smart Faucet (RO + Filtered), Real-Time TDS & Filter Life Monitoring Alkaline Remineralization with Ca, Mg & K, Automatic RO Membrane Flushing, Dual-Water Smart Faucet (RO + Filtered), Real-Time TDS & Filter Life Monitoring
  • Product Dimensions : 17"L x 5.39"W x 16"H
  • Material : Activated Carbon Rod, Active Medical Carbon, Alkaline pH8+, Reverse Osmosis Membrane
  • Capacity : 600 gallons
  • Included Components : 1x RO System + 1X PCT Filter Carbon and Alkaline + 1x Smart True TDS Faucet
  • Package Information : Dispenser
  • Installation Type : Under Sink
  • Purification Method : Alkaline + Active Medical Carbon, Reverse Osmosis
  • Power Source : Corded Electric
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Is Hard Water or Contaminated WaterDamaging Your Home?
Signs You May Be Experiencing Problems With Your Tap Water
Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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RO Water Filters Reverse Osmosis Water Filters for Pure Drinking Water
Salt Water Softeners Salt Water Softeners for Powerful Hard Water Treatment
Pure Water. Better Living.

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.

👉 Softer skin and smoother hair with every shower.

Descaling Solutions Descaling Solutions for Removing Limescale and Mineral Buildup
👉 Enjoy healthier skin and hair with every use.
Water Filter Cleaning Kits

👉 Prevent scale buildup and keep your appliances running efficiently.

Under Sink Water Filters

👉 Softer, brighter clothes that last longer with every wash.

Reverse Osmosis Systems Best Reverse Osmosis Systems for Clean Drinking Water

See the Difference in Your Water — Instantly

Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.

Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.

Feel the difference in every drop — from your kitchen to your shower.

Impurity Reduction 95%
Chlorine Removal 99%

FAQ

Is installation difficult?
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No. Our systems are designed for easy DIY installation and most homeowners can install them without professional tools. If you need help, our support team is always available.
Do I need a plumber to install the system?
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No plumber is required. The system connects directly to your existing plumbing with simple fittings.
How does this system improve water quality?
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Our filtration system helps reduce common impurities and minerals that cause hard water problems, improving the taste and clarity of your water.
Will this help protect my appliances?
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Yes. Hard water minerals can build up inside appliances. Our system helps reduce scale buildup, helping extend the life of washing machines, dishwashers, and water heaters.
How often do filters need to be replaced?
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Most filters only need replacement every 6–12 months, depending on usage and local water conditions.
Will this improve my skin and hair?
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Many customers notice softer skin and smoother hair after switching to filtered or softened water.
What if I'm not satisfied with the system?
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If you're not completely satisfied, you can return your product within 30 days for a full refund.
Easy to install — no plumber required. Our experts are here if you need help.
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