Gravity Filter vs No. 1 Filtered Water Pitcher: which is safer?

Clearly Filtered No. 1 Filtered Water Pitcher is our pick: better on PFAS and on the overall hazard picture.

Berkey

Gravity Filter

PFAS grade

A 100/100

Overall grade

C 74/100

Verdict

Buy with care

Hazard flags

⚑ 3

Material

not stated

Confidence

100%

LikelyBacterial growth from stagnation and inadequate maintenance

PossibleHousing and gasket material leachability

PossibleBypass due to housing integrity loss

Why this gradeBuy

Our pick

Clearly Filtered

No. 1 Filtered Water Pitcher

PFAS grade

A 100/100

Overall grade

B 82/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Activated carbon and ion-exchange filter media; BPA-free plastic pitcher housing

Confidence

62%

PossibleBacterial growth in filter media

PossibleFilter media degradation over time

ReportedIncomplete contaminant removal claims

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 water filters: see the full ranking