24oz Wide Mouth Flex Straw Cap vs Further Push Pull Water Bottle: which is safer?

Hydro Flask 24oz Wide Mouth Flex Straw Cap is our pick: better on PFAS and on the overall hazard picture.

Our pick

Hydro Flask

24oz Wide Mouth Flex Straw Cap

PFAS grade

A 100/100

Overall grade

C 78/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Stainless steel bottle; polymer cap and straw

Confidence

72%

PossiblePolymer cap/straw composition opacity

ReportedBacterial growth in cap seals

PossibleRubber gasket degradation over time

Why this gradeBuy

Soma

Further Push Pull Water Bottle

PFAS grade

A 100/100

Overall grade

C 74/100

Verdict

Buy with care

Hazard flags

⚑ 3

Material

BPA-free Tritan copolyester plastic body; stainless steel or plastic cap

Confidence

72%

PossibleBacterial growth in filter housing

PossibleCap material degradation or contamination

LikelyActivated-carbon saturation reducing efficacy

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 filtered water bottles: see the full ranking