AquaTru Under Sink Under Sink vs GE Reverse Osmosis Filtration System GXRQ18NBN: which is safer?

GE Reverse Osmosis Filtration System GXRQ18NBN is our pick: better on PFAS and on the overall hazard picture.

Aqua Guard

AquaTru Under Sink Under Sink

PFAS grade

A 100/100

Overall grade

B 84/100

Verdict

Buy with care

Hazard flags

⚑ 4

Material

Multi-stage filter cartridges (activated carbon, ion exchange resins)

Confidence

72%

PossibleBacterial growth in filter cartridges and housing

PossibleIon-exchange resin leaching (minerals and residual binding agents)

PossibleHousing plastic or elastomer degradation under moisture stress

Why this gradeBuy

Our pick

GE Water

GE Reverse Osmosis Filtration System GXRQ18NBN

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

activated carbon, polyamide RO membrane, stainless steel housing

Confidence

72%

PossibleBacterial contamination in storage tank

PossiblePolyamide membrane degradation

PossiblePressure tank integrity loss

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 under-sink ro systems: see the full ranking