PFAS70/ 100Good
Overall40/ 100Poor
Uvio Self-Purifying Water Bottle

Uvio · Portable Water Bottles

Uvio Self-Purifying Water Bottle

Good

Low risk. Skip due to lack of transparency.

Verdict · SkipBrand silence on PFAS and material sourcing, combined with unverified filter efficacy claims, makes this unsuitable for primary drinking water safety.

Uvio lacks public disclosure of bottle material composition or PFAS testing results. Self-purifying water bottles often use carbon filters which are generally lower concern.

The better-graded swap

Klean Kanteen Water Bottle Insulated Classic Loop Cap

Klean Kanteen

Klean Kanteen Water Bottle Insulated Classic Loop Cap

95/100 safety

95Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

plastic bottle with carbon/activated carbon filter cartridge

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
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  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

What Uvio Self-Purifying Water Bottle is made of, ingredients and materials

The Uvio bottle uses a plastic housing (material type not specified in available product documentation) paired with an activated carbon filter cartridge. Activated carbon itself is inert, but the plastic bottle and filter housing can leach compounds if manufactured with BPA, BPS, or other phenolic resins, particularly if bottle is refilled with warm water or left in direct sunlight. The filter's longevity and whether it sheds activated carbon particles into water is not independently verified in public testing.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

75/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
🍼

BPA & bisphenols

Uvio does not publicly disclose the plastic resin type or confirm BPA/BPS-free status. Any plastic bottle can leach endocrine disruptors under thermal stress or prolonged use; the brand's silence on this is a red flag.

Source, FDA ↗
70/ 100
⚠️

Bacterial growth in filter and bottle interior

Self-purifying bottles with carbon filters are prone to biofilm colonization if not rinsed regularly or if the filter exceeds its service life. No public data on Uvio's filter media design or antimicrobial treatment is available, raising maintenance risk.

20/ 100
🫧

Activated carbon shedding and particulates

Loose or poor-quality activated carbon in the filter cartridge can shed fine black particles into drinking water, which is cosmetically concerning and may indicate filter degradation. No independent particle-release testing for this product is on public record.

70/ 100
🏷️

Unverified contaminant reduction claims

The bottle's marketing claims filtration efficacy (bacteria, chlorine, sediment) without NSF or WQA certification. Users relying on unproven claims for primary drinking water treatment in high-risk areas face exposure to pathogens or contaminants.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
✅

Filter cartridge disposal and replaceability

No public information on whether filter cartridges are recyclable, compostable, or contribute to plastic waste. Replacement cost and availability are not independently documented.

95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

Aqua Vue has made no public statements regarding PFAS content in the bottle plastic, filter media, or housing materials. The brand offers no third-party certifications (NSF, WQA, FDA material compliance) visible in standard product documentation. This silence on material sourcing and chemical safety testing is a significant transparency gap for a product marketed for drinking water safety. No major recalls or safety controversies for this specific model are on record.

How it compares in its category

Self-purifying bottles (like LifeStraw, Grayl, filtered bottles from established brands) typically publish NSF certifications or independent contaminant-reduction data. Uvio's claims lack third-party verification of filter performance against bacteria, protozoa, or chemical contaminants. Without disclosed certifications or durability testing, it sits below mainstream alternatives in transparency and substantiation. The price point and aesthetic design may appeal, but safety assurance is weaker.

If you buy it

Do not use warm water or leave bottle in direct sun, as this increases leaching risk from the plastic. Replace the filter cartridge strictly per the manufacturer schedule (typically 100-200 liters or 1-2 months), as saturated filters can harbor bacterial growth. Rinse the bottle interior weekly with hot water to prevent biofilm. Verify the filter cartridge is certified by an independent lab before purchase; if not stated, contact the brand directly before committing.

What is not known about PFAS in this product?

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Uvio has made none

Formulations change between production runs, so check the current label. How we grade.

What are the PFAS-free alternatives to Uvio Self-Purifying Water Bottle?

Klean Kanteen 27oz Wide Water Bottle with Loop Cap

Klean Kanteen

27oz Wide Water Bottle with Loop Cap

100ExcellentPFAS grade
  • 18/8 stainless steel, no interior coating
  • The brand calls it PFAS-free, which we have not verified
  • Cap or closure contamination

2 hazards checked on this product, all on its full breakdown.

Klean Kanteen Rise Classic Insulated Water Bottle

Klean Kanteen

Rise Classic Insulated Water Bottle

100ExcellentPFAS grade
  • stainless steel body, foam insulation, stainless steel cap
  • The brand calls it PFAS-free, which we have not verified
  • Cap gasket and seal contamination

HydroJug

Traveler 40 oz Stainless Steel Water Bottle

95ExcellentPFAS grade
  • Stainless steel body, no coating disclosed
  • We found no PFAS statement from the brand
  • Bacterial or mold growth in storage

3 hazards checked on this product, all on its full breakdown.

More portable water bottles grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.