Hollis 410 Alternate Air System updated

Compact integrated design eliminates the bulk of a traditional octopus and hose No need to search in an emergency for an octo that is rarely used the 410 is always right where you need it Simple controls with an ergonomic design Integrated pull-ball (COMPLETE UNIT ONLY) allows venting of BC while using the 410 Perfect for using as a bailout on rebreather systems like the Prism 2