[Material]: The scuba diving regulator features a ABS shell that withstands impact without damage. Equipped with nickel plated copper hose connection (Hose Included), ensuring reliable performance in various underwater conditions [Advanced Air Balance Operation]: Designed for optimal performance, this diving 2nd stage regulator offers smooth air balance operation, making it ideal for both novice and experienced divers [Comfortable Mouthpiece]: The diving regulator equipped with a food grade silicone mouthpiece that ensures a secure fit during dives, allowing for extended use without discomfort [Lightweight and Easy to Clean]: With its lightweight design and easy to clean housing, this regulator is convenient to handle and maintain during your diving adventures [Application]: 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 Package Contents: 1 Scuba Diving Second Stage Regulator