DIVESAFE Replacement Anti-Microbial Mouthpiece for Regulator Octo Snorkel with tie-wrap Protect your health with the only Anti-Microbial mouthpiece. Universal design will fit most scuba regulators. The comfortable biteplate has a top and bottom, allowing a more natural fit in the diver's mouth. Individual mouthpieces come in a plastic bag with a tie-wrap. All DiveSafe mouthpieces are made in the U.S.A.