2-stage fuel cap is required on all portable fuel tanks. A portable fuel tank is designated as 12-gallon fuel capacity and less.
Audible 'Click" signals cap is sealed on the neck fill
Tether secures cap to fuel tank while refueling
Auto "Self-Venting" pressure feature vents tank at 5 PSI (Min) when center pup-up vent is in open position
Manual momentary pressure relief valve relieves tank pressure prior to cap removal for refueling or connecting/disconnecting fuel line assembly
Positive vent closure for storage and transportation, designed to override of the automatic "self venting" and manual momentary pressure relief function
