Seac Apnea HR Freediving Computer - Strap Only Colour:Black/Yellow Dry Guard: Seals the snorkel

Dry Guard: Seals the snorkel to keep it dry when submerged

A heat exchanger surrounds the valve mechanism and dissipates the cold caused by gas expansion while drawing in the warmth of ambient water

Leaves a unique protective film that lubricates without collecting residue

it adds scalers

Seac Apnea HR Freediving Computer - Strap Only Colour:Black/Yellow Dry Guard: Seals the snorkelSeac Apnea HR Freediving Computer Strap Only Keep your freediving computer secure and comfortable with this high quality replacement strap. Made from durable, flexible materials, the strap ensures a reliable fit whether worn directly on the wrist or over a wetsuit. Designed specifically for the Seac Apnea HR Freediving Computer, it provides both functionality and style for all underwater conditions. Seac Apnea HR Freediving Computer Strap Key