New Ideation Dive Alert Plus Version 2 Signaling Device - DV2 for the Oceanic Air XS, Aeris Air Link, Mares Air Control, SeaQuest AirSource 1 & 2, Apeks Octo Plus, Zeagle Octo Plus, Beauchat Venturi, & the U.S. Divers AquaLung Air Mic Fits the following Inflators.... Oceanic Air XS SeaQuest AirSource Apeks Octo Plus Zeagle Octo Plus Beauchat Venturi U.S. Divers Air Mic Remember.... If the Divers owned one of these.... There wouldn't have been a movie!!!