Used to regulate the airflow and to heat the compressed air to 3M™ Hoods H-Series and Whitecap™ Helmets. This NIOSH approved assembly helps create a more comfortable work environment for the user. The Vortemp assembly can warm compressed air by as much as 50(deg)F (28(deg)C). It can operate on pressures ranging from 60-95 psig, depending on hose length. The assembly includes the heater with quick disconnect fittings, waist belt and holder.