Item works Has signs of moderate usage 30 day money back guarantee The Polyscience Sous Vide Professional Classic Circulating Heater 7306AC1B5 is a high-quality and reliable heating device designed for professional use in the food industry. With its circulating heater design, it ensures even and consistent heating, making it ideal for cooking and maintaining food at the desired temperature. The Polyscience brand is known for its durability and performance, making this model a trusted choice for businesses and industrial applications.