The scuba diving regulator features an ABS shell that withstands impact without damage. Equipped with a nickel plated copper hose connection (Hose Included), ensuring reliable performance in various underwater conditions. Designed for optimal performance, this diving 2nd stage regulator offers smooth air balance operation, making it ideal for both novice and experienced divers. The diving regulator is equipped with a food grade silicone mouthpiece that ensures a secure fit during dives, allowing for extended use without discomfort. With its lightweight design and easy to clean housing, this regulator is convenient to handle and maintain during your diving adventures. Measuring 8cm in diameter, the compact design of this regulator makes it easy to pack and transport. The scuba diving second stage regulator is great for driving and water sports. Specification: Material: ABS Shell, Nickel Plated Copper Hose Connection, Silicone Mouthpiece Size Chart: Diameter About 8cm/3.15inch The Total Length Is About 87cm/34.25inch Color: Red / Yellow / Black Package Contents: 1 Scuba Diving Second Stage Regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.