Basic Clear Filter MRC vs Freewell Filter for Galaxy Series Cases FW-GX-CBM: which is safer?
B+W Basic Clear Filter MRC is our pick: better on PFAS and on the overall hazard picture.
Our pick
B+W
Basic Clear Filter MRC
PFAS grade
B 85/100
Overall grade
B 81/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Optical glass, multi-coated
Confidence
78%
PossibleOptical coating degradation and scratching
Samsung
Freewell Filter for Galaxy Series Cases FW-GX-CBM
PFAS grade
B 85/100
Overall grade
D 67/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Glass or optical polymer filter element
Confidence
72%
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 →
More waterproof camera & lens protection: see the full ranking