https://www.totaldiving.com/us/apeks-xl4-diving-regulator-cold-water.html
Compact, lightweight and suitable for cold water. The all-new XL4 from Apeks is a revolution in travel diving and stage regulators. Its low profile design makes it an essential, while its high performance makes it unbeatable.
https://www.totaldiving.com/
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Réalisation vidéo : Manuel Añò – ProdAqua
under surface things rule. Cool.