Wf537 Refrigerator Water Filter Replacement vs Pureline Filter Compatible with Whirlpool Everydrop Filter 1: which is safer?

Pureline Filter Compatible with Whirlpool Everydrop Filter 1 is our pick: better on PFAS and on the overall hazard picture.

Aqua Fresh

Wf537 Refrigerator Water Filter Replacement

PFAS grade

A 95/100

Overall grade

B 83/100

Verdict

Buy

Hazard flags

⚑ 3

Material

activated carbon and/or ion-exchange resin filtration media

Confidence

72%

PossibleBacterial growth in filter media or housing

PossibleCarbon dust or resin particle release into water

PossibleDegradation and bypass of contaminants over time

Why this gradeBuy

Our pick

Kenmore

Pureline Filter Compatible with Whirlpool Everydrop Filter 1

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Activated carbon and fiberglass filter media

Confidence

72%

PossibleBacterial growth in filter media if not replaced

PossibleCarbon dust escape during installation

PossibleInadequate contaminant removal if filter is counterfeit

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 refrigerator filters: see the full ranking