The Spirotechnique Royal Mistral #46467 is a classic twin-hose scuba regulator with a rich history. Here are some key details about the Spirotechnique Royal Mistral #46467:

Model: Spirotechnique Royal Mistral

Serial Number: #46467

Twin-Hose Design: The Royal Mistral is known for its twin-hose design, featuring two hoses that supply air to the diver. One hose is for inhalation (supplying air to the diver), and the other is for exhalation (allowing the diver to release used air back into the water).

Improved Aquastop Mouthpiece: The Royal Mistral likely features an improved Aquastop mouthpiece. This mouthpiece design often includes a valve mechanism to prevent water from entering the regulator when the diver is not inhaling, helping to reduce the risk of free flows and make underwater breathing more comfortable.

Accordion-Fold Hoses: Spirotechnique updated the hoses with accordion-fold designs. These hoses allowed for flexibility and reduced drag in the water, contributing to improved diving comfort.

Manufacturing Date: The manufacturing date of this specific regulator can be determined by Spirotechnique’s production records. Knowing the manufacturing date can provide insight into the era in which it was produced and any potential design changes or improvements made during that time.

The Spirotechnique Royal Mistral is a vintage regulator that has been appreciated by divers for its classic design and reliability. Its twin-hose configuration, Aquastop mouthpiece, and other features make it a collector’s item and a piece of scuba diving history. Whether used for diving or preserved as a collector’s item, the Royal Mistral #46467 represents a piece of equipment that has contributed to the exploration of underwater worlds.