PFAS95/ 100Excellent
Overall87/ 100Excellent
Promotional KOR Nava Water Bottle w/Filter - 24ozs

KOR · Water Filters

Promotional KOR Nava Water Bottle w/Filter - 24ozs

Excellent

Lower concern for PFAS risk but brand transparency is lacking.

Verdict · BuyLower PFAS risk; plastic durability and filter maintenance are main concerns. Brand transparency is weak but material safety is adequate.

KOR Nava water bottles are commonly made from Tritan copolyester or polycarbonate with carbon-based replaceable filters, materials not typically associated with intentional PFAS addition. The brand provides no public PFAS disclosure or third-party testing.

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We flunk more products than we pass. This one earned its grade. How we grade

Material

Plastic bottle (likely Tritan or polycarbonate) with replaceable carbon filter

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Promotional KOR Nava Water Bottle is made of, ingredients and materials

The Nava bottle is most likely Tritan copolyester or polycarbonate, both BPA-free plastics designed for beverage use. Tritan in particular has been engineered to avoid bisphenol compounds and is generally considered stable at room temperature and during cold/lukewarm water use. The replaceable carbon filter is a standard activated-carbon cartridge, which does not leach harmful substances into water when properly maintained, but can harbor bacterial growth if left wet and unmaintained between uses.

What’s concerning

♾️

No PFAS disclosure

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

85/ 100
⚠️

Bacterial contamination in carbon filter

Activated carbon filters are porous and can harbor bacteria and mold if left wet and unmaintained. Risk is not inherent to Naya brand alone but depends entirely on user cleaning and replacement discipline; improper filter care negates filtration benefit.

70/ 100
🫧

Plastic degradation and microplastic shedding

Repeated thermal stress (hot water, dishwasher), UV exposure, and physical wear can degrade Tritan or polycarbonate over time, potentially releasing microplastics into water. No recalls or specific incidents on record for Naya bottles, but risk is inherent to all plastic beverage containers under harsh conditions.

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
🍼

BPA & bisphenols

Tritan and modern polycarbonate used in beverage bottles are formulated to exclude BPA and BPS; no documented leaching at room temperature in this product category, though risk increases if bottle is heated or exposed to prolonged UV.

Source, FDA ↗
95/ 100
✅

Filter cartridge composition and leachables

Standard activated-carbon filters do not release carbon dust or chemical binders into water when manufactured to basic standards; however, public information on Naya filter material sourcing and quality control is absent, limiting independent verification.

95/ 100
🧴

Phthalates

Tritan is phthalate-free by design; polycarbonate alternatives depend on formulation. No known contamination in promotional Naya bottles, but brand does not publish material safety data sheets or certification details to confirm specific resin composition.

Source, ATSDR ↗
95/ 100

The full breakdown

The brand's record and disclosure

Naya (owned by Groupe Danone) does not publicly emphasize material transparency or third-party safety certifications for promotional bottles; standard corporate disclosure is minimal compared to direct-to-consumer water bottle brands. No known recalls or safety controversies involving Naya water bottles have been established in public records. The brand's silence on PFAS in manufacturing and filter components reflects broader industry practice but limits consumer confidence in proactive testing.

How it compares in its category

Filtered water bottles occupy a middle ground, they avoid single-use plastics and reduce bottled-water waste, but introduce maintenance complexity and filter-cartridge waste. Nava's product is typical of mass-market promotional bottles (sturdy but not premium); it lacks certifications like NSF or FDA approval that higher-end filtered bottles advertise. Compared to stainless-steel or glass alternatives, plastic bottles carry inherent leaching risk under stress (heat, acidic contents, UV), though minimal at normal use.

If you buy it

Keep the bottle away from hot water, dishwashers, and direct sunlight, as these accelerate plastic degradation and potential leaching. Replace the carbon filter every 2 to 3 months or per manufacturer instructions; rinse and dry the bottle thoroughly between uses to prevent mold and bacterial colonization in the filter chamber. Do not store acidic beverages (juice, vinegar, lemon water) for extended periods, as acids can weaken the plastic over time. Check that filter cartridges are sourced from the official Naya supplier to avoid counterfeit or poorly manufactured substitutes.

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
KOR has made none

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

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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.