The high performance design of the Zeagle Octo-Z&';s regulator section provides easy comfortable breathing at all depths Features of this great octo include: Zeagle Quality High flow QD connections for air supply Corrugated hose disconnect means the Octo-Z can easily be stored with regulator Corrugated hose rinse connection allows a garden hose to be connected to the BC for easy effective rinsing Light but rugged design Balanced inflation valve, for easy use and precise BC fill-rate control The BC can be orally inflated through the Octo-Z&';s mouthpiece Both QD and corrugated hose fittings rotate (even under pressure) for easy, comfortable placement of the Octo-Z&';s body Ergonomic placement and contrasting colors make the Inflate and Deflate buttons easy to find, distinguish and operate Orthodontic mouth piece for comfort Lightweight design (.5 lbs w/out hose) Get the same quality diving gear without paying the retail price. Afford to dive!