Walmart offers the Ninja 4-Quart Air Fryer for $66 with free shipping. That's $23 under our March mention and the lowest price we've ever seen. (It's the best price today by $34.) Buy Now Features adjustable thermostat that ranges from 105° to 400° Fahrenheit dishwasher-safe basket programmable control panel features air fry, roast, reheat, and dehydrate Model: AF100