TheIST Regulator Necklaceoffers an alternative method of securing octopus or alternate air source. Made from silicone theIST necklaceis ideal for twinset divers who wish to position their backup regulator just under the chin. The natural stretch in the material allows the regulator to be held by the mouthpiece yet allows it to be pulled free with ease. Measuring at 80cm in diameter the IST reg necklace fits a wide range of head sizes while keeping an alternate air source close to the body for good streamlining.
