Wells WVU-31CT Universal Ventless Countertop Hood is Certified Type-1 compliant, UL710B approved recirculation hood system and feature completely self-contained 4-stage air filtration and fire-suppression. It does not require venting outside making it possible to cook in nontraditional locations or when traditional Type-1 hoods and ductwork are impractical, restricted, or too expensive. Operators may use electric cooking equipment under the hood. Will come ANSUL® ready and include factory installed piping, five [5] discharge nozzles, electronic heat sensors, and will be ready to connect to an external fire protection system, quiet 60 dBA operation, airflow sensors, and non-permanent installation allows the unit to move with your business. External ANSUL mount ready, up to 31″ cooking zone for approved electric appliances, 208/240V