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The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is a white filter with “400 Gallons Per Day” printed on it, featuring a top handle and three bottom connectors, designed for use in any reverse osmosis water filtration system.
The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD offers up to 99.9% contaminant removal, long-lasting filter life, and a quick-change design for efficient filtration in tankless water systems.
Illustration of SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD layers with water droplets and a Salt Water Rejection label. Text above: Stable salt rejection, filtering soluble salts for advanced water purification.
Diagram of the SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD showing it removes up to 99.9% of contaminants, including colloids, pharmaceuticals, lead, chromium, arsenic, nitrates, microorganisms, and TDS.
A smiling woman in a bright kitchen holds a glass of water. Text: SIMPL Reverse Osmosis Membrane 400GPD (TROM400STD) delivers safe, clean water. Long-lasting filtration—replace every 24 months for reliable performance.
The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD features a large cylindrical filter that's easily inserted or removed from the front, quick & easy installation, and an easy quick-change design. Delivers powerful 400GPD performance.
A SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is displayed against a blue background, with the text “Compatible with SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD” at the bottom.
A white cylindrical SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is shown above a table listing specs: Model RPTFROM400RO, 14-100 psi pressure, 40-100°F temp, 7,200L capacity, and pH range 5-10.
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The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is a white filter with “400 Gallons Per Day” printed on it, featuring a top handle and three bottom connectors, designed for use in any reverse osmosis water filtration system.
The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD offers up to 99.9% contaminant removal, long-lasting filter life, and a quick-change design for efficient filtration in tankless water systems.
Illustration of SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD layers with water droplets and a Salt Water Rejection label. Text above: Stable salt rejection, filtering soluble salts for advanced water purification.
Diagram of the SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD showing it removes up to 99.9% of contaminants, including colloids, pharmaceuticals, lead, chromium, arsenic, nitrates, microorganisms, and TDS.
A smiling woman in a bright kitchen holds a glass of water. Text: SIMPL Reverse Osmosis Membrane 400GPD (TROM400STD) delivers safe, clean water. Long-lasting filtration—replace every 24 months for reliable performance.
The SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD features a large cylindrical filter that's easily inserted or removed from the front, quick & easy installation, and an easy quick-change design. Delivers powerful 400GPD performance.
A SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is displayed against a blue background, with the text “Compatible with SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD” at the bottom.
A white cylindrical SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD is shown above a table listing specs: Model RPTFROM400RO, 14-100 psi pressure, 40-100°F temp, 7,200L capacity, and pH range 5-10.

SIMPL Reverse Osmosis Membrane 400GPD - TROM400STD

$99.99

SKU : RPFTROM400RO

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  • Powerful filtration: RO membrane filters out virtually all dissolved solids, like heavy metals, fluoride, and nitrates, ensuring you enjoy only deliciously clean, safe water
  • Contaminant reduction: removes up to 99% of contaminants with a 0.0001-micron rating
  • 400GPD: delivers up to 400 gallons per day of purified water
  • Easy installation: remove and replace filter effortlessly with user-friendly quick-change design
  • Long-lasting: depending on the quality of source water, lasts up to 24 months
  • Compatible system: TROM400STD

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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    Easy Filter Replacement

    Features convenient quick-change design that makes filter replacement easy.

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    Extended Performance

    Depending on source water, efficiently filters 400 gallons per day for up to 24 months.

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    Fits Perfectly

    Compatible with SIMPL TROM400STD Tankless RO System and features a reliable, leak-proof design.
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