Overpressure Valve Portable Replacement Diving Relief Valve Description: Quality Material: This diving valve is made of ABS. It is lightweight yet strong and sturdy, ensuring long-lasting use. Compact Size: With dimensions of approximately 5.1cm x 3.1cm/2.01in x 1.22in, this valve is compact and portable, making it easy to carry on your diving adventures. Feature: The valve serves as a standard overpressure and relief valve for lifting bags and preventing them from bursting. It can quickly release air when needed and prevent accidental overinflation during expansion. Easy to Use: The diving valve comes with a pull cord for easy assembly and convenient use. Package Includes: The diving valve is an excellent replacement accessory for diving enthusiasts. Size Chart: Diameter 5.1cm/2.01in, Height 3.1cm/1.22in. Package Includes: 1 x Diving Relief Valve Note: There may be slight differences of 1-2cm due to manual measurement.