XS-Pro Clear MRC-Nano 007 Filter vs Freewell Filter for Galaxy Series Cases FW-GX-CBM: which is safer?
Freewell Filter for Galaxy Series Cases FW-GX-CBM is the clear pick. B+W XS-Pro Clear MRC-Nano 007 Filter carries a failing PFAS grade, and we never recommend buying a failing product.
B+W
XS-Pro Clear MRC-Nano 007 Filter
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating degradation and inhalation risk
PossibleUnidentified coating additives
Our pick
Samsung
Freewell Filter for Galaxy Series Cases FW-GX-CBM
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleOptical coating degradation (anti-glare or anti-reflective layers)
ReportedGlass fracture and sharp edges
PossibleMicrobe or bacterial growth on filter surface
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
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