The R095 OCTO is an economical second stage featuring classic downstream valve technology, which has earned a well-deserved reputation for safety and reliability. The R095 OCTO is designed to be extremely easy to use in an emergency. It is pre-set for optimum inhalation volume for safe and uncomplicated use. You never have to worry about control knobs or switches; just put it in your mouth and breathe. The R095 OCTO comes with a high-visibility yellow cover and a 1-meter yellow hose, which makes it much easier to share air with a friend in need. Thanks to its reversible hose attachment, it is also a versatile second stage for use on stages