Details PLEASE NOTE THIS IS ONLY THE DB2 VERSION SO PLS MAKE SURE IT’S COMPATIBLE WITH YOUR INFLATOR – THIS WILL NOT FIT A STANDARD INFLATOR – JUST THE ONES LISTED BELOW The Dive Alert Surface Air Horn V2 is a loud surface horn that is powered via your BC inflator hose and is available in three variants to fit the vast majority of inflator connection styles and types. The air horn simple fits between your inflator hose and inflator and requires no tools to fit or remove. DB2 – Fits the SeaQuest AirSource 1 & 2, Zeagle Octo-Plus, Oceanic Air XS & Mares AirControl AirSource 3 QD Dive Alert is not compatible with the Buddy Commando Auto Air System. The air horn is designed for surface use only and is incredibly loud. When operating ensure that the horn is orientated away from yourself and anyone who is nearby before operating to avoid injury. Features Easy to attach to your BCD inflator hose. Large button for ease of use even with gloves on.