The Jupiter Powered Air Turbo Unit is comfortable, easy-to-use and provides protection against particulates, gases or vapours, or against a combination of these contaminants depending on the type of filters used Electronic audible and visual alarm in case of low battery and/or low air flow High comfort decontamination belt & clip Comptabile with all 3M™ Versaflo™ Headtops Headtop not included, needs to be chosen separately Length-adjusting Breathing Tube 8 hour rechargeable battery (NiMH) and a battery charger. Approved to EN12941 class TH2 or TH3 depending on headtop