Description: This diving exhaust valve is crafted from high-quality plate brass, ensuring durability and stable performance for extended use. Its compact and lightweight design allows for easy portability, fitting conveniently into your pocket. The valve features a simple installation process, making it accessible for divers of all experience levels. Enhanced with an O ring rubber seal, it offers superior wear resistance and reliable performance underwater. The threaded connection guarantees a secure and leak-proof fit during diving activities. Specification: - Material: Brass Plating Size Chart: Approx.3cmx1.3cmx0.8cm/1.18inchx0.51inchx0.31inch Package Includes: 1 Low Pressure Valve Connector Note: Please allow slightly errors due to manual measurement and different monitors.