【Enhanced Breathing and Stability】: This diving regulator is designed to provide smoother breathing and increased stability during your underwater adventures, ensuring a comfortable and safe experience 【Nickel Plated Copper Construction】: Crafted from quality nickel plated brass, this Scuba Diving 2nd Stage Regulator offers good durability and resistance, making it ideal for prolonged use in marine environments 【Includes Comfortable Mouthpiece】: Equipped with a user friendly mouthpiece, this dive regulator ensures a secure fit and comfort during extended dives, allowing you to focus on discovering the underwater world 【Ideal for Diving and Scuba Diving】: Suited for both recreational diving and professional scuba diving activities, this secondary stage regulator is an essential piece of equipment for divers of all levels 【Compact Design with 8 cm Diameter】: Featuring a compact design with an 8 cm/3.15 inch diameter, this Scuba Second Stage Regulator is easy to handle and transport, making it a convenient addition to your diving gear collection Specification: Material: Nickel plated copper Size Chart: Diameter: 8 cm/ 3.15 inch Package Includes: 1x Scuba Diving Second Stage Regulator