Contigo 32 Oz Wells Plastic Filter Water Bottle with AUTOSPOUT Straw Lid - Direct Print
Lower concern, but Contigo silent on PFAS. Standard water bottles rarely contain PFAS.
Contigo doesn't disclose PFAS presence or absence. Standard plastic water bottles carry minimal PFAS risk compared to treated textiles or nonstick cookware.
We flunk more products than we pass. This one earned its grade. How we grade
Material
BPA-free plastic body, carbon-type filter
Lab data
No public lab test
What Contigo 32 Oz Wells Plastic Filter Water is made of, ingredients and materials
The bottle body is BPA-free plastic (Contigo does not specify resin type publicly, likely polypropylene or copolyester). The lid is also plastic with an AUTOSPOUT straw mechanism. The integrated or replaceable carbon filter uses standard activated carbon media, which does not leach into water when dry and functioning correctly. This construction avoids ceramic or glass fragility while meeting FDA food-contact plastic standards for non-intentional additives.
What’s concerning
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Bacterial growth in filter and straw mechanism
Carbon filters and narrow straw passages can trap moisture and organic matter if not cleaned regularly or replaced on schedule. Contigo does not publish antimicrobial filter specifications; improper drying or expired filters create biofilm risk.
BPA & bisphenols
While Contigo certifies BPA-free, other plasticizers (e.g., BPS, phthalates, acetaldehyde from polyester) are not ruled out by public disclosure. No third-party test results are available for this specific model; risk is typical for unnamed-resin plastic bottles.
Source, FDA ↗Coating or ink degradation on direct-print design
The 'direct print' graphics may use surface dyes or coatings that can fade, crack, or leach with repeated washing and thermal cycling. Contigo does not specify ink composition or certify food-contact safety of printed areas.
AUTOSPOUT straw seal failure
The mechanical lid design includes a silicone or plastic seal that can degrade with repeated opening/closing or thermal stress. A failing seal compromises filter seal and can allow unfiltered water to pass; replacement lids are available but add cost.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Filter housing integrity and carbon dust release
No recalls or complaints are on record for filter cartridge failure or charcoal particle shedding in this model. Properly seated filters should prevent bypass; manufacturing defects would be rare but possible.
The full breakdown
The brand's record and disclosure
Contigo is owned by Essentials Industries and does not publish detailed material certifications or third-party test reports for PFAS, phthalates, or other leachables on this specific model. The brand has no major safety recalls recorded for this 32 oz Wells model. Contigo markets its bottles as BPA-free, which is standard disclosure but does not address other potential plasticizer classes or manufacturing process contaminants.
How it compares in its category
Integrated carbon-filter bottles are common; this design sits mid-market in durability and filtering claims. Alternatives include higher-end stainless steel bottles (heavier, no filter) or disposable cartridge systems (more frequent replacement cost). Contigo's AUTOSPOUT lid is convenient but adds mechanical complexity; simpler screw-cap filters have fewer seal-failure points. Filter replacement frequency and cost are comparable to category peers like Brita or PUR portable filters.
If you buy it
Replace the carbon filter every 40 gallons or 2 months per Contigo guidelines; expired filters lose effectiveness and can harbor bacterial growth if stagnant. Do not expose the plastic body to boiling water or prolonged heat above 140F, as plastic degradation accelerates. Inspect the AUTOSPOUT seal monthly; cracks or separation can degrade filter contact. Rinse the bottle and lid by hand; dishwasher heat may compromise seals prematurely.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Contigo has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
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More water filters 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.