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Ninja SL400UK Double Stack XL 9.5L 6-in-1 Dual Air Fryer - Grey

SKU: SL400UK Quickfind Code: 1935098
Low Stock

LIMITED STOCK! Less than 10 remaining

Free Delivery
FREE Delivery to most of the UK
Why buy me
  • 2 Vertical 4.75L stacked drawers to save on worktop space
  • 9.5L capacity, perfect for up to 8 people
  •   Cook on 4 levels at once with the Stacked Meal rack inserts
  • Up to 55% faster than a fan oven
  • 6 Functions: Air Fry, Roast, Bake, Dehydrate, Reheat and Max Crisp
  • Designed to fit under cabinets: H 38.5 x W 28 x D 47 cm
  • Sync: ensures both drawers finish cooking at the same time
  • Free 2-year guarantee upon registration (UK & ROI only)
Extended warranties

Protect your appliance against the cost and hassle of unexpected failure and give yourself some added peace of mind with one of our great value extended warranties!

What's included:

If it breaks, we'll fix it

If you develop a fault, we'll arrange collection, repair it and send it back to you completely free of charge with zero fuss

Replace if we can't repair

If it can't be fixed, we'll provide you with a brand new replacement delivered free of charge. If it cannot be replaced, we'll refund you some money.

All costs included

Includes parts, labour, call out and delivery charges, so you can rest assured there are no hidden costs.

A UK Dedicated claims line

Need a repair? We have a dedicated claims line and are here to help.

Click here for the Terms & Conditions (opens in new window)

Call the Care Team now to add peace of mind to any item bought from us on

0844 893 7998

NB: Our Extended Warranties are only valid within the UK & Ireland and can only be purchased at the time of your Small Appliance purchase.

Standout Features

Double Stack Air Fry Technology

Double Stack Air Fry Technology

This clever design features 2 x 4.75L vertical, stacked drawers that tower above the rest. Cook the same amount of food as a traditional air fryer, whilst saving space on your worktop. At 38.5cm tall it’s designed to fit under cabinets, so you can enjoy clear countertops with less clutter.

6 Cooking Functions

6 Cooking Functions

With 6 functions in total, you can pick the perfect setting. Choose from Air Fry, Roast, Bake, Dehydrate, Reheat and Max Crisp. As each drawer is controlled independently, you can mix and match different cooking functions, times, and temperatures in each drawer. 

Cook 4 Foods at Once

Cook 4 Foods at Once

Cook on 4 levels at the same time with the included Stacked Meal rack inserts. Due to the 360° air circulation, your food will be evenly cooked and crisped on all levels. Layer chicken nuggets over fries in one drawer, and salmon fillets over asparagus in the the other.

Feeds up to 8 People

Feeds up to 8 People

Cooking up to 55% faster than fan ovens, you can have family meals on the table in no time. Fit a whole 1.4kg roast chicken in each drawer, perfect for large families or entertaining. The SYNC function ensures both drawers finish cooking at the same time.

Only Ninja has Double Stack Air Fry Technology, and it's 30% slimmer than the traditional model AF400 without compromising on capacity. What’s more, cooking with this air fryer uses up to 55% less energy than an oven† making it energy-efficient to run.

The Ninja Double Stack XL 2-Drawer Air Fryer is super easy to clean. The non-stick drawers, crisper plates and wire racks are all dishwasher-safe and easy to wipe clean. For your peace of mind, Ninja offers a free 2-year guarantee upon registration (UK & ROI only).

†testing and calculations based on recommended cook time for sausages, using air fry function versus conventional ovens.

Key Information
Brand Ninja
Colour Grey
Fryer Type Air Fryer
Capacity 9.6L
Power 2400W
Warranty 2 year warranty
Programmes 6
Air Fry
Max Crisp
Height 39cm
Width 28cm
Depth 47cm
Weigth 10.3kg

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