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Smart features like TDS monitoring, filter life display, and self-cleaning make it low-maintenance, while the high 600–800 GPD flow fills bottles and pots in seconds. Certified to the highest UK standards and backed by a 3-year warranty, PureFlow is the eco-friendly, long-term solution to bottled water waste.
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The Veltra PureFlow Under Sink Reverse Osmosis System uses a NSF-certified 5-in-2 multi-layer composite filter, combining five advanced filtration stages into just two compact cartridges for easy replacement. With a filter accuracy of 0.0001μm, it reduces fluoride, limescale, PFAS, heavy metals, chlorine, and other harmful contaminants, delivering ultra-pure, crisp drinking water.
Unlike bulky tank systems, PureFlow’s direct-flow, tankless design provides water on demand while eliminating bacteria-prone storage tanks fand saving up to 60% more space under your sink. Its built-in booster pump delivers a fast 600–800 GPD flow rate (1.6–1.8 litres per minute), powerful enough for busy households or light commercial use, while maintaining a 1.5:1 pure-to-waste ratio, reducing water waste significantly compared to standard RO units.
You can also choose modular add-ons such as remineralisation and UV-C sterilisation, restoring essential minerals or providing post-filtration bacterial protection.
Engineered for modern living, PureFlow also features quiet operation, smart TDS monitoring, a filter life display, and auto-cleaning to minimize maintenance and long-term costs. With its sleek, minimalist design, PureFlow blends beautifully into any modern kitchen. Certified to the highest UK standards and backed by a 3-year warranty, it’s the reliable, eco-friendly upgrade your home deserves.
The Veltra PureFlow Under Sink Reverse Osmosis System is designed with simplicity in mind. Its compact, tankless design and NSF-certified 5-in-2 filter cartridges make setup straightforward, even in smaller kitchens.
Each system comes with a step-by-step installation guide inside the package, ensuring you have clear instructions from start to finish. Most customers can install it themselves with basic tools, but professional help can be used if preferred.
If you have any questions contact us: info@veltra-shop.com, and we will be happy to help.
When you order the Veltra PureFlow Under Sink Reverse Osmosis System, you’ll receive everything you need for a smooth setup:
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What Exactly Is in Your Local Tap Water?
Many UK households face tap water filled with hidden contaminants invisible to the eye: chlorine, heavy metals, PFAS (forever chemicals), fluoride, microplastics, limescale, and even bacteria. These not only affect taste and damage appliances over time but, more importantly, raise concerns about long-term health of you and your loved ones.
At Veltra, we design our products to protect your home from those contaminants, delivering cleaner, safer, and better-tasting water.
Common frustrations we help eliminate:
The Veltra PureFlow RO System helps to reduce these issues at the source. Its NSF-certified 5-stage, 0.0001μm filtration reduces up to 99.9% of harmful contaminants, while the tankless design prevents bacterial growth and frees space under your sink.

Ultra pure filtration & taste
5-in-2 multi-layer composite filtration combines five advanced purification stages into two compact, easy-to-replace cartridges. For enhanced performance and taste, optional post-carbon remineralisation and UV-C sterilisation modules can be added.

Smart display & fast flow
The digital display tracks water quality and filter life in real time, while high-flow performance ensures fresh, pure water on demand.

easy replacement & maintenance
Compact cartridges click in and out in seconds. Easy swaps mean no tools, no mess, and no hassle. Auto-cleaning keeps the system running at peak performance with minimal upkeep.
“Fast flow, simple to maintain.
We had an old RO system with a tank that was slow and annoying to clean. PureFlow is tankless, the flow is quick, and the cartridges pop in and out in seconds. Maintenance couldn’t be easier."
★★★★★
Anna K., Edinburgh
Verified Buyer
"Worth every penny for peace of mind.
We hesitated because of the price, but honestly, it’s been one of the best investments for our home. The water tastes better than bottled, my tea is crystal clear, and knowing my kids are drinking safe water makes it priceless."
★★★★★
Sarah J., London
Verified Buyer
“Built solid, feels premium.
I’ve tried cheaper filters before and they always felt flimsy or leaked. The PureFlow unit is sturdy, compact, and looks great under the sink. You can tell the quality is there, and it runs quietly too."
★★★★★
Mark R., Manchester
Verified Buyer

Issue of Impure Tap Water Finally Solved
Veltra PureFlow Reverse Osmosis System helps to end chlorine taste, heavy metals, PFAS, fluoride, microplastics and limescale in your tap water.
What makes us so different?
We’re not just another water filtration brand. We’re the upgrade you’ve been waiting for. See how Veltra PureFlow delivers where others fall short.
Filter lifespan depends on your local water quality and household usage, but as a general guideline:
Your Veltra PureFlow system features a built-in filter life indicator that monitors usage and water flow, letting you know exactly when it’s time for a change, so you never have to guess or replace too early.
At Veltra, we’re committed to the highest standards of safety and performance. Our filtration systems are tested to meet NSF/ANSI 58 and 42 standards, ensuring exceptional purification quality and improved water taste.
Each unit is certified under FDA (US), FCC, CE, RoHS, and CC regulations, reflecting our dedication to quality materials, reliable engineering, and globally compliant manufacturing.
We’re also constantly striving to improve our products even further, refining every detail to deliver cleaner, safer, and more sustainable water for every home.
No, most customers install PureFlow in under an hour with basic tools. The compact, tankless design fits neatly under the sink, and clear instructions included in the package make the setup simple. If you prefer, any plumber can install it quickly.
Yes, absolutely. If you only need to replace one of the filters, you can purchase it individually. Please reach out to our team at info@veltra-shop.com, and we’ll be happy to assist you with the right replacement.
PureFlow is a premium, tankless reverse osmosis system built with durable materials and advanced technology. Unlike cheap units that clog, leak, or slow down, PureFlow delivers fast flow, ultra-pure NSF-certified 0.0001μm filtration, and smart features, all backed by a 3-year warranty. It’s a long-term investment in your family’s health and convenience, often saving money compared to bottled water.
By removing chlorine, PFAS, heavy metals, fluoride, and microplastics, PureFlow transforms tap water into crisp, refreshing water that tastes like premium bottled water, without the waste. It also eliminates limescale, so tea, coffee, and cooking taste better.
Not at all. PureFlow is engineered for quiet operation and delivers a fast 600–800 GPD flow rate, meaning you can fill a glass in seconds, unlike other similar systems with older tank systems.
Maintenance is simple. The digital display shows real-time water quality and filter life. Cartridges are compact and click in/out in seconds, no tools, no mess. Unlike tanks that grow bacteria, the tankless design keeps everything hygienic. You can order new cartridges when needed from our website.
PureFlow is tankless and compact, designed to take up much less space than traditional bulky RO systems. It's dimentions are only 435x381x165mm. That means you still have room for cleaning products and essentials under your sink
Standard RO systems can waste 3–4 liters for every liter filtered. PureFlow is designed with a 1.5:1 pure-to-drain ratio, making it far more efficient and eco-friendly than traditional units.
Your Veltra PureFlow system comes with a 3-year limited warranty, covering any defects in materials or workmanship under normal residential use.
We design every system to last, but if something isn’t right, our support team is here to help. The warranty ensures peace of mind and long-term reliability, protecting your investment in cleaner, safer water.
For any warranty-related questions or support, simply contact us at info@veltra-shop.com, and we’ll take care of it quickly.
Absolutely. Our filters provide water that tastes even better than bottled, without the plastic waste. Many families who switch to Veltra not only enjoy fresher, cleaner water but also save significantly each year while reducing their environmental impact.