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    Home & CleaningUnder Sink Water FilterAquaTru Under-Sink Reverse Osmosis System
    #3 of 7
    AquaTru Under-Sink Reverse Osmosis System

    Key Specs

    NSF Health Certification

    PFAS Certification

    Installation

    Mamavation PFAS Study

    AquaTru

    AquaTru Under-Sink Reverse Osmosis System

    #3 of 7 under sink water filters tested

    No sponsored placements·By Renée Torres
    8.9R3 Score / 10
    RecommendedA strong pick for most families.
    No sponsored placements· By Renée Torres

    The bottom line

    What the product listing won't tell you

    Know before you buy

    AquaTru doesn't disclose how many gallons their filters handle — only a time-based schedule. That makes it impossible to calculate your true annual filter cost or know if the replacement schedule fits your household's actual water consumption.

    Buy it if

    • You specifically want reverse osmosis technology — the most proven method for removing the widest range of contaminants including PFAS, nitrates, and dissolved solids

    AquaTru Under-Sink Reverse Osmosis System

    AquaTru

    AquaTru Under-Sink Reverse Osmosis System

    $449
    See if it passed our safety test for freeBuy
    AquaTru Under-Sink Reverse Osmosis System

    AquaTru

    AquaTru Under-Sink Reverse Osmosis System

    $449Buy on Amazon
    Safety
    Efficacy
    Usability
    Unlock safety scores for free

    $449.00

    Buy on Amazon

    We may earn a commission. It doesn't affect our scores.

  1. You already have a spare faucet hole in your sink, or you're comfortable with a one-time drilling job to install the dedicated faucet

  2. You value having Mamavation's independent real-world PFAS verification on top of the standard NSF certification

    3. Skip if

    • You want to track and optimize filter replacement by gallons used rather than following a time-based calendar

    • You live in a drought-affected area and want to minimize water waste — RO systems send water down the drain, and AquaTru doesn't disclose the ratio

    • You need a no-drill installation because you rent or prefer not to modify your plumbing setup

    What's inside

    Specs the product listing doesn't explain

    Safety & Materials

    What your food and family come into contact with every use

    PFAS CertificationMamavation PFAS Study
    Usability

    Ease of use, maintenance, and longevity

    NSF Health CertificationInstallationFilter Replacement

    See exactly what's in this under sink water filter

    Free account unlocks full material breakdown, safety test results, and spec details.

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    How we scored it

    3 criteria - open any layer to see exactly what we found

    Safety

    Efficacy

    Usability

    SafetyCritical

    “Is this system truly safe for my kids' water, or just certified-sounding?”

    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    Where to buy

    Verified retailer - current pricing

    Starting price

    $449

    R3 approved retailer Score unaffected by purchase
    Buy on Amazon

    We earn a small commission on purchases. It never influences our scores - R3 is funded by readers, not brands.

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    #3 of 7 under sink water filters reviewed

    Did the AquaTru Under-Sink Reverse Osmosis System pass our safety screen?

    Free account unlocks the full verdict, pillar scores, spec values, and which other under sink water filters made our list.

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    NSF 53 / 58 Health-Effect Certification
    NSF 58 / 473 PFAS Certification
    EfficacyImportant

    “How much clean water does it make daily, and what are the filter costs?”

    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    Independent Lab Test TransparencyFilter Capacity (Gallons per Replacement)
    UsabilityNice to have

    “Does this require drilling under my sink, and how much water gets wasted?”

    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    Filtered Water Flow RateInstallation TypeWater Recovery Rate