This is the XS Scuba Fusion Purge Scuba Diving Mask Features: The Fusion mask with the addition of a purge valve Clear the water with ease through the one-way purge valve Nose pocket purge design for effective clearing Exhaled bubbles are kept out of view with patented skirt Includes mask storage box Looking for a purge mask with a panoramic view, the Fusion Purge is going to fulfill that requirement for you. The Fusion uses the latest technology in mask design beveled and bonded lenses eliminate the need for a frame to obstruct your view giving you one of the widest angles of vision in a dive mask. You&';ll feel comfortable when wearing the medium volume Fusion with its double feathered edge sealing crystal silicone rubber skirt. Mask is built with a durable polycarbonate frame for strength and durability.