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The Brio SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System features a modern white design with two large dials, a slim metallic faucet, minimalist style, and delivers up to 400 gallons per day.
The SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System offers 400 GPD capacity, fast flow, 4-stage filtration, easy installation, and space-saving design. Includes a faucet. Pure water, made simple.
The SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD is shown on a blue background with front access filters, indicator lights, power and filter reset buttons. Icons highlight its easy installation and maintenance.
The Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD – SIMPL Series installs under your sink, saving up to 70% more space than bulky tank systems and delivering up to 400 gallons of purified water per day.
A smiling woman with curly hair drinks water indoors. Text above reads: Responsible Refreshment—SIMPL Series Tankless RO Undersink Filtration System, 400GPD, reduces plastic waste and costs for healthier living. Three icons highlight these benefits below.
Diagram of the Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD - SIMPL Series, showing PAC Composite Filter (Stages 1-3) and RO Membrane (Stage 4), with icons for removing chlorine, sediment, TDS, lead, and arsenic.
The Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD - SIMPL Series features a single-lever, brushed nickel 304 stainless steel faucet and delivers lead-free, fresh water—up to 400 gallons per day.
A graphic shows a 1:1 splash made of water, with text "Efficient Pure-to-Waste Ratio and Filtration That Saves"—highlighting the SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD, plus an image of the unit.
Product diagram showing dimensions for the SIMPL Series Tankless RO Undersink Filtration System 400GPD—faucet: 13.4”H x 5.4”D x 2.6”W; unit: 13.7”H x 14.0”D x 5.2”W; capacity up to 400 gallons per day.
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The Brio SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System features a modern white design with two large dials, a slim metallic faucet, minimalist style, and delivers up to 400 gallons per day.
The SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System offers 400 GPD capacity, fast flow, 4-stage filtration, easy installation, and space-saving design. Includes a faucet. Pure water, made simple.
The SIMPL Series Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD is shown on a blue background with front access filters, indicator lights, power and filter reset buttons. Icons highlight its easy installation and maintenance.
The Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD – SIMPL Series installs under your sink, saving up to 70% more space than bulky tank systems and delivering up to 400 gallons of purified water per day.
A smiling woman with curly hair drinks water indoors. Text above reads: Responsible Refreshment—SIMPL Series Tankless RO Undersink Filtration System, 400GPD, reduces plastic waste and costs for healthier living. Three icons highlight these benefits below.
Diagram of the Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD - SIMPL Series, showing PAC Composite Filter (Stages 1-3) and RO Membrane (Stage 4), with icons for removing chlorine, sediment, TDS, lead, and arsenic.
The Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD - SIMPL Series features a single-lever, brushed nickel 304 stainless steel faucet and delivers lead-free, fresh water—up to 400 gallons per day.
A graphic shows a 1:1 splash made of water, with text
Product diagram showing dimensions for the SIMPL Series Tankless RO Undersink Filtration System 400GPD—faucet: 13.4”H x 5.4”D x 2.6”W; unit: 13.7”H x 14.0”D x 5.2”W; capacity up to 400 gallons per day.

Tankless Reverse Osmosis (RO) Undersink Filtration System 400GPD - SIMPL Series

$299.99
Save 14%
$349.99 MSRP

SKU : TROM400STD

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The Brio SIMPL Tankless Reverse Osmosis Undersink Filtration System is an easy and reliable clean water solution that effortlessly provides pure hydration. It features a space-saving design that takes up minimal under sink space, advanced 4-in-2 reverse osmosis filtration, and a sustainable 1:1 pure-to-drain waste ratio. Plus, it provides up to 400 gallons of filtered water per day and is easy to maintain with “quick-change” front facing filters.

  • Powerful filtration: 4-in-2 reverse osmosis filtration blocks dirt, rust, sand, iron, chlorine, cysts, salts, volatile organic compounds, total dissolved solids, and heavy metals like lead and arsenic, delivering clean, clear water free from turbidity, odors, and pollutants
  • 400GPD: no waiting for filtered water as system offers 400 gallons per day
  • 1:1 pure to drain ratio: advanced design produces significantly less wastewater, for every 1 cup of pure water dispensed only 1 cup of wastewater is created, saving you money
  • Compact tankless design: measuring 5.2” W x 13.7” H x 14” D, tankless design occupies minimal space under your sink
  • Easy to replace: remove and replace filters effortlessly due to user-friendly quick-change design
  • Long-lasting: PAC filter purifies water up to 12 months, RO membrane filter lasts up to 24 months, depending on source water
  • Included: system, faucet, filters & installation kit

Many frequently asked questions can be answered in our help center. Here you can find useful information such as shipping policies, warranty information, product guides and more! Brio Help Center

Your order will be fulfilled during our normal business hours (8 a.m. – 5 p.m. PST). Orders placed over the weekend or on holidays will be fulfilled on the following business day.

However, we cannot guarantee same day fulfillment. In general, orders will be shipped out the next business day after you have completed your order.

You may return any unused or undamaged products within 30 days of the original purchase date to receive a full refund. Once you file a return, we will process your refund within 3 to 5 business days.

When you receive your order please make sure to save your original packaging in the event you need to return the product.

To file a return, please visit our returns page here. Please note that you will be responsible for return shipping costs unless the reason for the return is due to an error on our behalf.

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    Space-Saving Design

    The SMPL under sink system has a slim design that fits neatly without sacrificing space.

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    Contaminant-Free Hydration

    Quality manufactured high-density graded RO membrane features a 0.0001-micron rating.

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    Filtration That Saves Water

    Minimizes waste with only 1 cup of wastewater for every 1 cup of pure water produced.

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