APEC Portable Countertop Reverse Osmosis Drinking Water System with Case RO-CTOP-C vs 40-Cup Glass Water Filter Dispenser: which is safer?

APEC Portable Countertop Reverse Osmosis Drinking Water System with Case RO-CTOP-C is our pick: better on PFAS and on the overall hazard picture.

Our pick

APEC Water Systems

APEC Portable Countertop Reverse Osmosis Drinking Water System with Case RO-CTOP-C

PFAS grade

A 100/100

Overall grade

A 96/100

Verdict

Buy

Hazard flags

⚑ 1

Material

RO membrane, carbon & sediment filters, plastic housing, stainless fittings

Confidence

68%

PossibleBacterial growth in carbon filter or storage tank

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