Crispier 4L
AF4B-40P
Compact 4 L airfryer, PFAS-free coating, fast crispy results
Specifications
Specifications
Warranty
Warranty

5 years warranty on all Wilfa products
Wilfa provides a 5-year warranty on Wilfa-branded products from the date of purchase after 01.09.2020. The warranty covers manufacturing defects or faults that arise during the warranty period. Presentation of proof of purchase is required as evidence of the warranty. For claims, please contact the store where the item was purchased.
This warranty applies only to products purchased and used in private households. The warranty is void if the product is used commercially. The warranty is also void in cases of misuse, negligence, failure to follow Wilfa’s instructions, and modification or unauthorized repair of the product. The warranty does not cover normal wear and tear, incorrect use, lack of maintenance, use of incorrect electrical voltage, or the following:
- Descaling must be performed according to the user manual
- Overloading the product
- Glass damage
- Non-stick coating
- Wear parts
- Filters, batteries, tires, and other parts expected to be replaced regularly
This extended warranty applies only to Wilfa branded small electrical appliances.

10-year warranty (upon registration) for Probaker NXT
Wilfa provides a 5-year warranty on this product from the date of purchase. You can extend the Wilfa 5-year warranty to 10 years for Probaker NXT by registering your product:
The warranty covers manufacturing defects or faults that arise during the warranty period. Your purchase receipt serves as proof of purchase for any warranty claim towards retailers.
The warranty applies only to products purchased and used in private households. It does not apply to commercial use.
The warranty does not apply if the product has been misused, handled negligently, used contrary to Wilfa’s instructions, modified or repaired by unauthorised persons. The warranty also does not cover normal wear and tear, lack of maintenance, use of incorrect electrical voltage or the following:
- Damage to tools or the main unit caused by exceeding maximum capacities
- Cosmetic wear marks on the main unit, stainless steel bowl or tools
This warranty applies only to Probaker NXT models KM4B-T70 and KM4GY-T70 and is provided in addition to your statutory rights, which remain unaffected.

7-Year Warranty on Wilfa Heat Pumps
Wilfa provides a 7-year warranty on heat pumps from the date of purchase. The warranty covers manufacturing defects or faults that occur within the warranty period. The purchase receipt serves as proof for the retailer in case of any warranty claims.
The warranty is only valid for products purchased and used in private households. It does not apply if the product is used commercially. The warranty is void if the product is misused, handled negligently, if Wilfa's instructions are not followed, or if unauthorized modifications or repairs are performed.
Additionally, the warranty does not cover normal wear and tear, misuse, lack of maintenance, use of incorrect electrical voltage, or:
- Overloading of the product
- Regularly worn parts
- Components that require periodic replacement (e.g., filters, batteries, etc.)

10-Year Motor Warranty on selected Wilfa products
Wilfa provides up to a 10-year warranty on the motor of selected products, starting from the date of purchase. The warranty covers manufacturing defects or faults that occur within the warranty period. This extended warranty applies exclusively to the motor and any faults related to it. The purchase receipt serves as proof for the retailer in case of any warranty claims.
The warranty is only valid for products purchased and used in private households. It does not apply if the product is used commercially. The warranty is void if the product is misused, handled negligently, if Wilfa's instructions are not followed, or if unauthorized modifications or repairs are performed.
Additionally, the warranty does not cover normal wear and tear, misuse, lack of maintenance, use of incorrect electrical voltage, or overloading of the product.
Crispier 4L is a compact airfryer designed for everyday cooking in smaller households. The 4-litre basket is suitable for quick dinners and smaller portions, while 8 preset programs, adjustable 40–200 °C temperature and a memory function make cooking simple. The inner basket has a PFAS-free Produre™ non-stick coating for easy cleaning.
Compact 4 L airfryer for everyday meals
With a 4-litre capacity, Crispier 4L is ideal for smaller households, quick dinners and easy everyday cooking. The compact format makes it practical to use day after day, while still giving you enough space for generous portions when needed.
8 preset programs and adjustable temperature
Choose one of the 8 preset programs to automatically apply a recommended time and temperature for popular dishes, like chips, chicken, steak, pizza, fish, shrimp, cake, and drying. You can also manually set and adjust time and temperature before or during cooking to suit portion size or preference.
The shake reminder helps you remember to turn or shake ingredients during cooking. It will alert you with 2 beeps halfway through the cooking time when the time is set manually, and at 2/3 of the total cooking time for presets.
Memory function for saved cooking settings
Customise your cooking experience with the memory function, which allows you to manually adjust the time and temperature in preset programs for personalised results. Save your customised program for future use, eliminating the need for constant adjustments.
Airfryer with dehydrator function
With a wide 40–200 °C temperature range, Crispier 4L also effectively dehydrates ingredients at low temperatures. Use the dehydrator function to make granola, dried meat, dried fruit, and more. It can run for up to 24 hours for thorough, even dehydration.
Compact size
The compact size makes it easy to fit into smaller kitchens, either on the kitchen counter or stored in the cupboard. Dimensions: L: 31.1cm, W: 25.5cm, H: 26cm)
Produre™ – safe, durable and superior PFAS-free non-stick technology
Crispier 4L features Produre™ on the inner basket. Produre™ is our advanced PFAS-free non-stick coating, engineered for exceptional non-stick performance and long-lasting durability.
PFAS are often referred to as ‘forever chemicals’ as they break down very slowly. Produre™ is a coating made from natural materials, free from PFAS and microplastics.
Other benefits include:
- Exceptional heat resistance – Withstands up to 400°C
- Enhanced durability – compared to traditional non-stick coating.
- Superior non-stick properties – Unique formula for lasting non-stick performance
- Safe & sustainable – Made from natural materials with no harmful substances and no microplastics
Engineered to handle high heat and everyday use without compromising performance or safety. (Insert logo here)
Easy cleaning
Produre™ non-stick helps food release easily, making clean-up easy. You can also use Wilfa airfryer paper trays to make cleaning even easier.
Recipes
Make delicious and healthy dishes in the air fryer, and be inspired by our best recipes.
Airfryer tips for crispy results:
- Use the airfryer to reheat leftovers for a crispy texture.
- Enhance crispiness by brushing or spraying the ingredients with oil during cooking.
- Adjust time and temperature manually for optimal results based on ingredient quantity.
- Convert oven cooking times and temperatures to airfryer settings by lowering the temperature and reducing the cooking time accordingly. Always monitor ingredients for the best outcome.
Included in the box:
- Airfryer
- Rack
FAQs:
What can you cook in the Crispier 4L airfryer?
You can cook foods such as chips, chicken, steak, fish, shrimp, pizza and cake, and you can also use it for drying ingredients at low temperatures.
Is Crispier 4L suitable for small households?
Yes, the 4-litre capacity and compact size make it suitable for smaller households, quick dinners and everyday cooking.
Does the Crispier 4L have a PFAS-free coating?
Yes, the inner basket features Wilfa’s PFAS-free Produre™ non-stick coating.
Does this airfryer have a dehydrator function?
Yes, it can run at low temperatures from 40 °C and for up to 24 hours for drying ingredients.







