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Octo Regulator Necklace (25, 500 Pack)

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Technical divers, cave divers, and underwater photographers use our 129mm (9inch) diameter solid silicone Octo Necklace to secure their Secondary or Primary Regulator made from medical-grade silicone. We do not use vinyl-based elastomers or hybrid silicone-cut with filler yielding questionable physical properties. All colors stay flexible even in cold water.