Jetstream Single Kit A classic in a new configuration. The Jetstream Mk3 is a combination of our reliable Jetstream second stage and the new Xstream first stage with a built in over-pressure valve. We’ve also changed the hose connection on the second stage to allow standard thread hoses to be used. •Jetstream Mk3 regulator •70 cm hose •Jetstream Mk3 Octopus w 90 cm hose •Cirrus pressure gauge Yellow/Black