Used Ocean Reef UNO Full Face Snorkel Mask - Blue, Size: Small/Medium Compasses The Atomic Aquatics Scupper Valve

The Atomic Aquatics Scupper Valve snorkel design is based on the same principle as the one-way Scupper Valve used in boats

Residual gas autonomy in minutes indicator

Nitrox compatible to 50% O2

A one-handed nose well for easy ear equalization brings the lens of the mask closer to the diver's face further increasing the field of vision

Used Ocean Reef UNO Full Face Snorkel Mask - Blue, Size: Small/Medium Compasses The Atomic Aquatics Scupper ValvePlease note this is a USED ITEM offer. The item will be in good working condition, may show signs of use or wear. PRODUCT DESCRIPTION Breathe through your nose while snorkeling. Good bye jaw discomfort (no uncomfortable mouthpiece to bite onto). Good bye difficult breathing and goodbye water in your snorkel thanks to our dry snorkel. For good. Huge field of vision and no more fogging thanks to our patented and independently tested air circulation