Oil Less Fryer Air Fryer 16 Quart Replacement Clear Glass vs Crispi Pro 6-in-1 Glass Air Fryer: which is safer?

Ninja Crispi Pro 6-in-1 Glass Air Fryer is our pick, better on PFAS and on the overall hazard picture.

Big Boss Oil Less Fryer Air Fryer 16 Quart Replacement Clear Glass

Big Boss

Oil Less Fryer Air Fryer 16 Quart Replacement Clear Glass

PFAS grade

Excellent 75/100

Overall grade

Good 67/100

Verdict

Buy

Hazard flags

⚑ 2

Material

borosilicate glass, bare uncoated

Confidence

95%

PossibleThermal shock and fracture

PossibleEdge chipping and glass fragments

Our pick

Ninja Crispi Pro 6-in-1 Glass Air Fryer

Ninja

Crispi Pro 6-in-1 Glass Air Fryer

PFAS grade

Excellent 75/100

Overall grade

Good 71/100

Verdict

Buy

Hazard flags

⚑ 1

Material

Glass cooking vessel with stainless steel components

Confidence

78%

PossibleThermal shock / glass breakage risk

Where these two actually differ

  • We flag Thermal shock and fracture and Edge chipping and glass fragments on the Big Boss and not on the Ninja.
  • We flag Thermal shock / glass breakage risk on the Ninja and not on the Big Boss.
  • The Big Boss is borosilicate glass, bare uncoated where the Ninja is Glass cooking vessel with stainless steel components, which is most of the difference in these two grades.
  • These two are level, close enough that price and fit should decide it rather than our grade.

Both products run through the same public rubric, which covers 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 air fryers, see the full ranking