Metalsub is a small company dedicated to the manufacture of equipment for professional and recreational diving. Metalsub began as a mechanical workshop founded in 1962 by Francisco Fernandez and since 1992 (in the hands of his son) has specialized in the manufacture of specialised products for diving: connectors, special steel and brass fittings and hoses for high and low pressure, etc ..
All Divetek Regulators now come standard with Metalsub Diveflex hoses – EN250 certified as the highest quality “Flex” hoses on the market.


Our DIVEFLEX hose is the latest generation of braided tube for regulators and BCD.
Manufactured under standard EN250 european normative with a special fitting design to protect your regulator from accidental bumps or scratches when tightening the hose with a tool.
This type of tube is extremely flexible, it is designed for use in technical diving, although more and more users who ride it for their great comfort during the dive.
We stock seven colors: black, yellow, red, blue, green, pink and carbone.