Specification Brand : Alomejor BulletPoint1 : [Portable Design] The small size makes it easy to carry and store, saving space and convenient to bring for underwater activities. BulletPoint2 : [High Durability] Constructed of high strength aviation aluminum, metal, and rubber material, this adapter is wear-proof, erosion-proof, and has a long lifespan. BulletPoint3 : [Quick Inflation] The valve filling adapter allows for quick inflation of diving , saving time and adding convenience for users. BulletPoint4 : [Versatile Use] The 8mm diving connector is suitable for various underwater activities like diving, diving, snorkeling, and breathing exercises. BulletPoint5 : [Compatibility] The 29mm outer diameter, 18mm inner diameter, and 12.5mm hole make it compatible with a wide range of diving equipment and for versatile use. Color : #311 IncludedComponents : Smb Diving Valve ItemDisplayDimensions_Length : 5.91 inches ItemDisplayWeight : 0.1 pounds ItemName : Diving Fill Adapter, Aviation Aluminum 29mm Diving Connector, Compact and Practical Valve for Diving Snorkeling ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 32 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : diving-valves Manufacturer : Alomejor Material : Plastic ModelName : Alomejormugxf61v3d ModelNumber : Alomejormugxf61v3d PartNumber : Alomejormugxf61v3d Pattern : Solid ProductDescription : [Portable Design] The small size makes it easy to carry and store, saving space and convenient to bring for underwater activities. [High Durability] Constructed of high strength aviation aluminum, metal, and rubber material, this adapter is wear-proof, erosion-proof, and has a long lifespan. [Quick Inflation] The valve filling adapter allows for quick inflation of diving, saving time and adding convenience for users. [Versatile Use] The 8mm diving connector is suitable for various underwater activities like diving, diving, snorkeling, and breathing exercises. [Compatibility] The 29mm outer diameter, 18mm inner diameter, and 12.5mm hole make it compatible with a wide range of diving equipment and for versatile use.