Freewell Filter for Galaxy Series Cases FW-GX-CBM vs Freewell ND Filter 4-Pack for Samsung Galaxy Ultra: which is safer?

Freewell ND Filter 4-Pack for Samsung Galaxy Ultra is our pick: better on PFAS and on the overall hazard picture.

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

Why this gradeBuy

Our pick

Samsung

Freewell ND Filter 4-Pack for Samsung Galaxy Ultra

PFAS grade

B 85/100

Overall grade

C 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Optical glass and aluminum frame

Confidence

72%

PossibleOptical coating degradation

PossibleAdhesive or bonding agents

Why this gradeBuy

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