This is the Tilos Essentia Octopus Regulator for Scuba Diving Features: Stainless steel springs Extra comfort bite silicone mouthpiece High impact plastic High grade chromed brass Meets CE Certification standards Hose length 36in (91cm) Weight 0.45lbs (.20kg) Tilos Essentia Octo is an affordable option that meets CE certification standards. Heavy duty plastic exterior and stainless steel springs. Hose length is 36in and weight is 0.45lbs.