Cressi Quantum Scuba Dive Mask Snorkeling Accessories The i550C is defined by

The i550C is defined by its rugged

Heavy-duty case with steel buttons for resistance to water pressure up to 120 m | 393 ft

Rubber protection on the chest

This zippered black case surrounds your device with foam and gray velvet

nüvi® 670

Cressi Quantum Scuba Dive Mask Snorkeling Accessories The i550C is defined byThe major innovation with the Quantum mask is that as well as offering enhanced downwards vision it avoids the fogging phenomenon through the internal thermoregulation of the warm, damp air exiting the nose. This air is channeled by a system of membranes set in the molding around the eyes and nose and deviating the flow towards the rubber skirt rather than the lenses. The external part of the skirt features a cooling system composed of two small heat