This is the Oceanic Ion 2 Purge Low Volume 2-Lens Scuba Diving Mask w/ Easy to Clear Purge Valve and Neoprene Strap

Features:

• Same design features as the Ion with a high volume purge valve
• Low volume design for wide field-of-view and easy clearing
• May be easily fitted with optical lenses from -1.5 to -8.0 diopters in .5 increments
• **Now Available in positive diopters
• 100% liquid silicone for comfort and long-life
• Tempered glass lens for safety
• Easy adjusting buckles for convenience
• Neoprene Comfort Strap included

Change your point of view. A low profile family of masks for the pro, the semi-pro, and all lovers of the sport who want to see the underwater world more clearly. Accepts optical lenses and comes standard with our Neoprene Comfort Strap.