VERIFIED PRODUCT PROFILE · air fryers

Ninja DoubleStack 10-QT Air Fryer with Thermometer

A taller, larger DoubleStack for two sizable dishes, distinguished from SL201 by its 10-quart total and integrated food thermometer.

Research basis: Documented product facts and editorial buying advice. We have not tested this product hands-on. As an Amazon Associate I earn from qualifying purchases.

Who it may suit

A household that cooks meat and sides at once and wants thermometer-guided doneness in a stacked layout.

Who should look elsewhere

Someone with low overhead clearance or no use for a thermometer and 10 quarts of split capacity.

Verified details for this exact model

Ninja SL451 (Deep Gray, model SL451)
Total capacity10 qt in two 5-qt basketsSource ↗ · checked September 26, 2026
Basket layoutVertically stacked dual baskets and removable meal racksSource ↗ · checked September 26, 2026
Doneness toolIntegrated Foodi Smart ThermometerSource ↗ · checked September 26, 2026
Coordinated cookingSmart Finish and Match CookSource ↗ · checked September 26, 2026
Product dimensions20.83 × 13.07 × 17.72 in (L × W × H)Source ↗ · checked September 26, 2026

Trade-offs to weigh

  • The 17.72-inch height and 20.83-inch depth require more careful placement than capacity alone suggests. See Product dimensions
  • Each side is 5 quarts; a single oversized item cannot use all 10 quarts as one chamber. See Total capacity

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Sources and current listing

These are documented features, not measured test results. Confirm the exact variant, seller, current price, condition, and availability before buying.