KOR Review, Is KOR Non-Toxic?
KOR averages 97 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 KOR products graded as of October 2026, and all 6 reach its 70 point pass mark.
KOR grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Does KOR have PFAS, by category
Worth buying from KOR Good or better, best-graded first
KOR
650mL Nava Filter Water Bottle
- Stainless steel body; carbon/activated carbon filter media
- We found no PFAS statement from the brand
- Bacterial growth in filter media, Activated carbon filters are prone to bacterial colonization if not…
3 hazards checked on this product. See all of them.
KOR
Nava Filter Water Bottle - 24 oz (700 mL) Ocean Moss
- Stainless steel body, activated carbon filter cartridge
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridge, Activated carbon filters can harbor bacteria if cartridges are not…
3 hazards checked on this product. See all of them.
KOR
Water Fall Glass Carafe 34oz by KOR Water
- borosilicate glass carafe
- We found no PFAS statement from the brand
- Bacterial growth and biofilm in standing water, Although glass itself does not support microbial adhesion…
2 hazards checked on this product. See all of them.
KOR
Promotional KOR Nava Water Bottle w/Filter - 24ozs
- Plastic bottle (likely Tritan or polycarbonate) with replaceable carbon filter
- We found no PFAS statement from the brand
- Bacterial contamination in carbon filter, Activated carbon filters are porous and can harbor bacteria and…
2 hazards checked on this product. See all of them.
KOR
Promotional KOR Waterfall Filtration System - 33ozs
- Plastic bottle with carbon/activated carbon filtration media
- We found no PFAS statement from the brand
- BPA & bisphenols, The bottle material is plastic, but KOR has not publicly disclosed whether it is BPA-free…
3 hazards checked on this product. See all of them.
KOR
Blue Custom Water Bottles Kor Nava Bottle w/Filter - 24oz
- BPA-free plastic bottle with activated carbon filter
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridge, Integrated, non-replaceable (or semi-replaceable) filters can harbor…
3 hazards checked on this product. See all of them.
What to buy instead Good or better, in the categories KOR sells
Aquamira
Water Storage Treatment 2 oz Glass Bottles 60 gallons Purification
- glass bottles, sodium dichloroisocyanurate treatment chemical
- We found no PFAS statement from the brand
- Chemical overdose or misuse
5 hazards checked on this product. See all of them.
Big Berkey
Empty Housing with NO Filters Included
- Stainless steel housing and spigot
- We found no PFAS statement from the brand
- Bacterial growth and biofilm if filters not replaced
5 hazards checked on this product. See all of them.
LifeStraw
Home Glass Water Filter Pitcher
- Borosilicate glass pitcher, replaceable activated-carbon filter cartridge
- Bacterial growth in filter cartridge if unmaintained
5 hazards checked on this product. See all of them.
KOR and PFAS, common questions
- Does KOR have PFAS?
- KOR averages 97 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 KOR products graded as of October 2026, and all 6 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is KOR non-toxic?
- KOR 650mL Nava Filter Water Bottle is the highest-graded KOR product we have scored, at 100/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which KOR products are lower concern for PFAS?
- The highest-graded KOR products we have scored are KOR 650mL Nava Filter Water Bottle, KOR Nava Filter Water Bottle - 24 oz (700 mL) Ocean Moss, Water Fall Glass Carafe 34oz by KOR Water. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →