ostba untested ostba 2.5qt air fryer for 1–2 people, small air fryer with 6 menu options, dual knob manual temp & timer, 3d rapid air circulation, nonstick & dishwasher safe basket, oil-free healthy cooking 2.5 qte is up for auction in Appliances. The current bid is $1.00, 97% below the $33.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.