Kalorik Air Fryer Oven

Selling a used Kalorik air fryer oven. It's in good working condition and ready for a new kitchen! It's perfect for cooking a variety of foods with less oil open to offers. It is definitely used, worked awesome. But there's some surface spots on the inside.i can clean as best i can on the back wall. They racks and trays etc are always washed immediately after. I think over time little splits on the top turned to little dark spots hard to remove.