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- Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow.
- Rugged reinforced technopolymer casing is fitted with a large diaphragm for the ultimate in breathing sensitivity, regardless of position in the water.
- Classic downstream valve comes with a VIVA switch to control free flows.
- Metal valve housing is built rugged and increases overall reliability.
- Reversible hose attachment makes it easy to use on deco tanks.
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