The Jetstream® Switch & Go Gas/Vapour GV-X Version (with Nylon Hood). Jetstream® Switch & Go pack GV-X Contains: TH2A2P R SL Filter, Hose, Charger, Carry Case, Battery, White Nylon Headtop, Flow Meter & Multi Plug. Filter Performance: Offers an assigned protection factor (APF) of 20 x Work place Exposure Limit (WEL) for organic vapours and gases and for very fine dusts, fibres, fumes and aqueous mists.