Sayona portable air fryer, 7-in-1, 9-liter The new air fryer with multiple uses With just one gadget, this invention will make you forget about everything in your kitchen. It can be used as a grill, roaster, oil fryer, electric oven, and air fryer. A one-year guarantee. All you have to do now is move the food and open the fryer. To keep the heat going, you can now move the food while the fryer is closed.