Cressi Duke Dry Full Face Mask Color:Clear / Black 4 operating modes

4 operating modes

The bottom compartment is fully capable of accommodating a complete dive set-up

6V 3400mAh Li-Ion battery: 120 minutes at 100% power or 240 at 50% power

Inside coating is a blue tint that reduces eye strain for very comfortable viewing

Cressi Duke Dry Full Face Mask Color:Clear / Black 4 operating modesSkirt made of soft silicone Valveless breathing system One direction airflow Snorkel top with dry system preventing water entry Adjustable elastic strap Duke Dive Mask is a full face mask (FFM), and it is designed to give the user the opportunity to breathe easily. Duke mask implemented a new system of breathing with a lateral tube position that doesnt require the need for forced breath to travel a longer distance and open more than one valve. The