B+W Review, Is B+W Non-Toxic?
B+W averages 61 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 B+W products graded as of November 2026, and 3 of them reach its 70 point pass mark.
B+W grades Good 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.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Does B+W have PFAS, by category
Which B+W products are PFAS-free? Good or better, best-graded first
- Optical glass lens with multi-coated optical surfaces
- We found no PFAS statement from the brand
- No PFAS statement found from the brand
- Glass optic with multi-coated lens surfaces
- We found no PFAS statement from the brand
- Optical coating degradation. Multi-coated surfaces can degrade over decades of intense UV exposure or if…
- Optical glass, multi-coated
- We found no PFAS statement from the brand
- Optical coating degradation and scratching. The MRC coating can degrade with improper cleaning or storage…
Which B+W products contain PFAS? Poor and Bad, we’d swap these
- optical glass with multi-coated (MRC) lens coating
- We found no PFAS statement from the brand
- Manufacturing residues on coating surface. New optical filters may have light dust, oils, or manufacturing…
- Optical glass with multi-coated (MRC) lens coating
- We found no PFAS statement from the brand
- Coating delamination or wear, MRC coatings on budget filters may degrade with age or rough handling, but…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Optical glass with MRC nano-coating
- We found no PFAS statement from the brand
- Nano-coating composition and leachable unknown. The MRC nano-coating is proprietary and B+W does not disclose…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Optical glass with MRC-nano multi-resistant coating
- We found no PFAS statement from the brand
- Coating degradation and inhalation risk. If the MRC-nano coating flakes or degrades over extended use…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Glass with water-repellent nano-coating
- We found no PFAS statement from the brand
- Coating degradation over time. Water-repellent nano-coatings on optics can degrade with prolonged UV…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonWhat to buy instead Good or better, in the categories B+W sells
- Glass lens (borosilicate or soda-lime glass)
- Optical coating degradation
2 hazards checked on this product, all on its full breakdown.
- Optical glass, aluminum frame, non-coated optical surfaces
- We found no PFAS statement from the brand
- Optical glass fragility and sharp edges
- glass optical filters
- We found no PFAS statement from the brand
- Coating degradation or delamination
2 hazards checked on this product, all on its full breakdown.
B+W and PFAS, common questions
- Does B+W have PFAS?
- B+W averages 61 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 B+W products graded as of November 2026, and 3 of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is B+W non-toxic?
- B+W UV Haze 010 Filter is the highest-graded B+W product we have scored, at 85/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which B+W products are lower concern for PFAS?
- The highest-graded B+W products we have scored are B+W UV Haze 010 Filter, B+W 67mm UV Haze Filter, B+W Basic Clear Filter MRC. That is our model-based estimate from materials and public disclosure, not a lab test.
- Which B+W products should I avoid?
- The lowest-graded B+W products we have scored are B+W Master Clear Filter MRC Nano, B+W XS-Pro Clear MRC-Nano 007 Filter, B+W Master UV Haze MRC Nano Filter. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →