Open Box Cressi Junior Rocks Mask Fin Snorkel SET White Blue SMMD Freediving Fins •Nitrox compatible to 50% O2•OceanGlo® 221518 04 •Nitrox compatible to 50% O2•OceanGlo® luminescent gauge face absorbs light and glows approximately 7 times faster and longer than other materials•Shock resistant bourdon tube mechanism•Integrated temperature gauge•One way safety valve•500 psi fluorescent caution zone This steamer offers thermal protection well suited to active temperate water and warm water divers Please note this is an OPEN BOX offer The Rocks Snorkel feature the splash guard designed to prevent splashed surface water from entering inside the snorkel barrel