This scuba diving filling valve serves as a versatile adapter for air filling stations and diving equipment. The metal construction ensures durability and reliable performance under high-pressure conditions up to 300 bar. With its 8mm quick disconnect mechanism, this adapter facilitates efficient connections between different components of your diving setup. The compact 2.18-inch design makes it easy to handle and store, while the 5/8 internal thread provides compatibility with various diving equipment configurations. Specification: - Material: Metal Size Chart: 5.54cm/2.18inch Package Includes: 1 Piece Scuba Diving Filling Valve Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.