From stream to bottle.
Not only is the MSR Quick-Connect Bottle Cap nice as a drink lid, but it also allows you to pump water through your MSR HyperFlow microfilter directly into a MSR, Nalgene, or any other standard wide-mouth bottle. When the bottle is full, simply remove the pump and quench your thirst on sweet mountain spring water.
Designed to be compatible with any standard wide-mouth bottle
Allows you to pump filtered water directly into the bottle
Large fins make the cap easy to open and close
Item #CAS0820
Material: [plug] Tritan (copolyester), [cap] ABS, [lanyard] PU
Recommended Use: connecting MSR HyperFlow to your wide-mouth containers
Manufacturer Warranty: 1 year