Peak Series Gravity Water Filter System vs 40-Cup Glass Water Filter Dispenser: which is safer?

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

LifeStraw

Peak Series Gravity Water Filter System

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Borosilicate glass, stainless steel, activated carbon filter media

Confidence

72%

PossibleBacterial growth in filter media and housing

PossibleBorosilicate glass breakage

PossibleActivated carbon dust or microparticles in filtered water

Why this gradeBuy

ZeroWater

40-Cup Glass Water Filter Dispenser

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

borosilicate glass, plastic pitcher housing, ion-exchange resin cartridge

Confidence

72%

PossibleIon-exchange resin cartridge composition opacity

PossibleBacterial or mold growth in housing and spigot

PossiblePolypropylene plastic durability and UV exposure

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 countertop filters: see the full ranking