Aqua Vault · Filtered Water Bottles
Eco Vessel Aqua Vessel Ultra Lite Tritan 25oz Water Bottle
Lower-concern option; Tritan is BPA-free but PFAS status unconfirmed by brand, no red flags typical of nonstick or water-resistant coatings.
Tritan is a copolyester plastic without known Teflon-family coating coatings, nonstick surfaces, or water-repellent treatments, the typical PFAS vectors. The brand makes no PFAS claims and provides no lab data.
Shop Aqua Vault on Amazon →Material
Tritan copolyester (plastic)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Tritan is a BPA-free copolyester plastic engineered as a replacement for polycarbonate in beverage bottles. It has no known endocrine-disrupting additives in its base resin and resists clouding and cracking better than older plastics. The material itself does not contain phthalate plasticizers in typical formulations. The 25oz size suggests typical consumer food-contact application with no unusual material choices flagged in available product literature.
The brand's record and disclosure
Aqua Vault (marketed under the Eco Vessel line) maintains minimal public transparency on material sourcing and safety testing. The brand makes no published claims about heavy metals, BPA status, or independent certification (e.g., NSF, FDA). No recalls or documented safety complaints appear in public records for this specific bottle model. The silence on PFAS is typical of smaller brands but leaves no independent confirmation of coating chemistry.
How it compares in its category
Filtered water bottles typically carry higher risk than plain bottles due to activated carbon and filter housing materials, but this product's plastic body is more conservative than stainless steel alternatives (which may have unknown sealant coatings). Tritan bottles generally rank middle-tier for safety compared to glass (lowest risk) or polycarbonate competitors (higher BPA legacy risk). The lack of nonstick or water-resistant surface treatments reduces PFAS likelihood versus premium insulated competitors.
If you buy it
Use for cold or room-temperature water only; Tritan can leach small amounts of plastic monomers when heated above 70 degrees Celsius, so avoid hot fills or dishwasher cycles unless the manufacturer confirms heat tolerance (not stated in available specs). Replace the bottle every 1-2 years or if walls show stress cracks, cloudiness, or odor. Rinse the filter chamber thoroughly after each refill to prevent bacterial biofilm, which is the primary contamination risk in any filtered bottle system.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Plastic monomer leaching (Tritan base resin)
Tritan copolyester can release trace cyclic oligomers and monomers into liquid under heat or prolonged contact. No specific data for Eco Vessel brand exists, but this is a known characteristic of the material class at elevated temperatures above normal drinking conditions.
Filter housing and activated carbon contamination
Filtered water bottle systems carry documented risk of bacterial colonization in filters and housings if not cleaned regularly. The filter material itself may shed activated carbon particles if damaged. No specific maintenance instructions or filter replacement schedule are prominently available from the brand.
Heavy metals in plastic colorants or pigments
Tritan base resin does not typically contain antimony or cadmium, and the 'Ultra Lite' designation suggests minimal additive loading. No recalls or test data suggest contamination in this product line.
Coating degradation and micro-scratching
If the bottle has any surface treatment or print coating, repeated washing and use may degrade it over time, creating micro-particles. Product literature does not clarify whether any coating is present beyond base Tritan material.
Manufacturing or storage off-gassing (VOC)
New Tritan bottles typically release minimal volatile organic compounds compared to older polycarbonate. No odor complaints are recorded for this brand, and Tritan formulations are not known for formaldehyde resin off-gassing.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Filtered Water Bottles
LifeStraw
Go 2.0 Water Filter Bottle
Borosilicate glass bottle, coconut-shell activated carbon filter
Lower PFAS concern; LifeStraw's core materials are inherently lower-risk, but silence on coatings/seals leaves modest uncertainty.
✓Bare metal or glass, no coating at all
Brita
Premium Water Bottle
Stainless steel bottle with activated carbon filter
Lower-concern choice; stainless steel + carbon filters are traditional PFAS-safe materials, but Brita offers no public PFAS transparency.
✓Bare metal or glass, no coating at all
Brita
20 oz Carbon Stainless Steel Filtered Water Bottle
Stainless steel bottle with activated carbon filter cartridge
Lower-concern choice; stainless steel bottle and carbon media are inherently PFAS-low, but Brita makes no public PFAS commitment.
✓Bare metal or glass, no coating at all
More filtered 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.