This fits your . Make sure this fits by entering your model number. Standard D Ring: Octopus mouthpiece holder uses each standard D to secure the clip. Plastic Material: Made of high quality plastic material, exquisite workmanship, beautiful appearance design. Scope of Application: dive mouthpiece holder is a backup regulator ideal for BCD. Avoid Damage: diving octopus holder can quit damaging your octopus by dragging it on the bottom. Good Functions: diving octopus holder can and sand from entering the regulator, vent pipe.