1.8L Spare Cup

Embrace the adventure with Jet Boil’s 1.8L Spare Cup. Need an extra cup? The 1.8 Liter FluxRingAA enabled cup offers cross compatibility and flexibility. For use with SUMOAazA, MiniMoAazA, MicroMoAazA, FlashAazA, Flash Lite, ZipAazA, LUNA, PCS and GCS Jetboil systems.FluxRingAA technology makes it possible to heat a conveniently shaped vessel with extremely high efficiency.This patented technology captures the heat of the burner and directs it into the contents of the FluxRingAA cup, rather than into the air as waste.