The MSR Dragonfly Pump is the lightest, most reliable pump on the market. The Dragon fly pump has been redesigned to be easier than ever to use, with full field-maintainability. Use this Dragon Fly pump as a replacement for a broken pump or an upgrade for an old tired pump on your well loved MSR Dragon Fly Stove. It also offers unmatched durability as well as an auto-shutoff valve for increased safety. If you need a new pump or just want a spare ready, the MSR Dragonfly pump is the perfect accessory fo ryour outdoor gear.