The Ninja Double Stack air fryer, model SL400UK, is being offered at £149.99 on Amazon, down from its recommended retail price of £219.99. This represents a saving of £70, or 32%, as part of the retailer's Prime Day event.
Product Features and Capacity
The Double Stack air fryer features two independently controlled 4.7-litre drawers, giving a total capacity of 9.5 litres. Each drawer can be set to cook different foods simultaneously, with six cooking functions including air fry, roast, reheat, dehydrate, bake, and max crisp. The unit is designed to save counter space by stacking the drawers vertically rather than side-by-side.
Deal Details and Availability
The offer is available to Amazon Prime members. The discount applies to the black model (SL400UK). According to Amazon, the deal is part of its Prime Day promotions, which run for 48 hours. Similar discounts have been seen on other Ninja air fryer models, including the 10.4-litre Dual Zone air fryer, which is also reduced to £149.99.
Ninja has become a leading brand in the air fryer market, with the Double Stack model receiving positive reviews for its space-saving design and cooking performance. The deal is expected to be popular, and stocks may be limited.



