The Ninja SL400UK air fryer is designed for households that need high-capacity cooking without sacrificing countertop space. Its clever vertical configuration offers two stacked drawers, each with 4.75L capacity, giving you a total of 9.5 litres in a space-saving footprint. Ideal for larger families and busy kitchens, this model can serve up to eight people with ease. With six customisable cooking functions—air fry, max crisp, roast, bake, reheat, and dehydrate—the Ninja double stack air fryer 9.5L adapts to a wider range of meal types. Whether you’re crisping frozen snacks or roasting a full chicken, its Surround Heat IQ technology ensures consistent, even results on every layer. The included stacked meal racks let you prepare four different items simultaneously. This model gives you unmatched flexibility with its sync and match functions. Use different times, temperatures, and cooking modes in each drawer, or double your portion size with the match feature.
The Ninja SL400UK air fryer is designed for households that need high-capacity cooking without sacrificing countertop space. Its clever vertical configuration offers two stacked drawers, each with 4.75L capacity, giving you a total of 9.5 litres in a space-saving footprint. Ideal for larger families and busy kitchens, this model can serve up to eight people with ease. With six customisable cooking functions—air fry, max crisp, roast, bake, reheat, and dehydrate—the Ninja double stack air fryer 9.5L adapts to a wider range of meal types. Whether you’re crisping frozen snacks or roasting a full chicken, its Surround Heat IQ technology ensures consistent, even results on every layer. The included stacked meal racks let you prepare four different items simultaneously. This model gives you unmatched flexibility with its sync and match functions. Use different times, temperatures, and cooking modes in each drawer, or double your portion size with the match feature.
in 17 offers
Ninja Double Stack XL Air Fryer SL400UK
The Ninja SL400UK air fryer is designed for households that need high-capacity cooking without sacrificing countertop space. Its clever vertical configuration offers two stacked drawers, each with 4.75L capacity, giving you a total of 9.5 litres in a space-saving footprint. Ideal for larger families and busy kitchens, this model can serve up to eight people with ease. With six customisable cooking functions—air fry, max crisp, roast, bake, reheat, and dehydrate—the Ninja double stack air fryer 9.5L adapts to a wider range of meal types. Whether you’re crisping frozen snacks or roasting a full chicken, its Surround Heat IQ technology ensures consistent, even results on every layer. The included stacked meal racks let you prepare four different items simultaneously. This model gives you unmatched flexibility with its sync and match functions. Use different times, temperatures, and cooking modes in each drawer, or double your portion size with the match feature.
The Ninja SL400UK air fryer is designed for households that need high-capacity cooking without sacrificing countertop space. Its clever vertical configuration offers two stacked drawers, each with 4.75L capacity, giving you a total of 9.5 litres in a space-saving footprint. Ideal for larger families and busy kitchens, this model can serve up to eight people with ease. With six customisable cooking functions—air fry, max crisp, roast, bake, reheat, and dehydrate—the Ninja double stack air fryer 9.5L adapts to a wider range of meal types. Whether you’re crisping frozen snacks or roasting a full chicken, its Surround Heat IQ technology ensures consistent, even results on every layer. The included stacked meal racks let you prepare four different items simultaneously. This model gives you unmatched flexibility with its sync and match functions. Use different times, temperatures, and cooking modes in each drawer, or double your portion size with the match feature.
The lowest price for Ninja Double Stack XL Air Fryer SL400UK right now is $309.00 at Ubuy Australia, compared across 8 retailers.
The all-time low was $258.00 on 22 Aug 2026 — today's price is 20% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 4 Nov 2026.
Last updated at 04/11/2026 15:00:04
Ninja DoubleStack XL Air Fryer 10-Qt, 2 Baskets, Cook 4 Foods at Once, Space Saving, 6-in-1, SL400 Gray
Delivery between 9–13 Nov $41
Ninja Sl400anz Doublestack Xxxl 9.5l 2 Drawer Air Fryer 2 Zone 6
Delivery $30
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400
Delivery $43.95
Ninja DoubleStack XL 2 Basket Air Fryer SL400ANZ
Delivery between 7–15 Nov $10
SL400 DoubleStack XL 2-Basket Air Fryer, 10 QT, Cooks 4 Foods at Once, Compact Design, 4-in-1, Smart Finish & Match Cook, Air Fry, Broil, Bake, Easy M
Free delivery between 13–18 Nov
Double Stack XL Air Fryer, Vertical Dual Zone with 4 Levels, 2 Drawers and 2 Racks, 9.5L Capacity, 6-in-1 Functions, 8 Portions, Grey, SL400ME, 2 Year
Free delivery between 13–18 Nov
DoubleStack XL Smart Air Fryer, 10 Qt, 6-in-1, Grey, SL451
Delivery between 10–13 Nov $29
Double Stack XL 2-Drawer Air Fryer in Grey
Delivery between 10–13 Nov $200.81
| Brand | Ninja |
| Air Fryer | Yes |
| Power Source | Electric |
| Capacity | 9.5 l |
| Power Consumption | 2,470 watts |
Ninja DoubleStack XL Air Fryer 10-Qt, 2 Baskets, Cook 4 Foods at Once, Space Saving, 6-in-1, SL400 Gray
Delivery between 9–13 Nov $41
Ninja Sl400anz Doublestack Xxxl 9.5l 2 Drawer Air Fryer 2 Zone 6
Delivery $30
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Ninja DoubleStack XXXL 9.5L 2 Drawer Air Fryer SL400
Delivery $43.95
Ninja DoubleStack XL 2 Basket Air Fryer SL400ANZ
Delivery between 7–15 Nov $10
SL400 DoubleStack XL 2-Basket Air Fryer, 10 QT, Cooks 4 Foods at Once, Compact Design, 4-in-1, Smart Finish & Match Cook, Air Fry, Broil, Bake, Easy M
Free delivery between 13–18 Nov
| Brand | Ninja |
| Air Fryer | Yes |
| Power Source | Electric |
| Capacity | 9.5 l |
| Power Consumption | 2,470 watts |
