Scubapro Synergy Twin Diving Mask & Comfort Strap Medium Volume Features Balanced Flow-Thru Piston Design:

Features Balanced Flow-Thru Piston Design: Maintains stable intermediate pressure and delivers maximum airflow regardless of depth or tank pressure

which can be responsible for much heat loss

and sturdy materials make cleaning and servicing fast and easy

your dive data has never been easier to read

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Scubapro Synergy Twin Diving Mask & Comfort Strap Medium Volume Features Balanced Flow-Thru Piston Design:The SYNERGY TWIN TRUFIT benefits from SCUBAPRO's second generation Trufit technology. This design approach features a mask skirt with thicker, firmer silicone near the mask frame to provide support and rigidity, and thinner silicone contouring the face for comfort and to ensure a watertight seal. It's an effective combination that delivers a truly unique fit and seal. In addition to comfort, the SYNERGY TWIN TRUFIT's dual lens design is low volume and