Aqua Lung/La Spirotechnique

< Aqua Lung
Aqualung Group
Company typePrivate
GenreDiving equipment
Founded1946
FounderJacques-Yves Cousteau and Émile Gagnan
Headquarters,
OwnerBarings LLC
DivisionsAqualung America
Websiteaqualung-group.com

Aqualung Group (formerly Aqua Lung International, and prior to that La Spirotechnique) is a manufacturer of self-contained breathing apparatus and other diving equipment. It produced the Aqua-Lung line of regulators, including the CG45 (1945) and the Mistral (1955). From its founding in 1946 until 2016, the company was a division of Air Liquide. The company was sold to Montagu Private Equity in 2016, and subsequently acquired by Barings LLC in 2023.