Portable Diving Cylinder Filling Adapter Oxygen Cylinder Filling Adapter Aluminum Red Description: Feature: Scuba filling adapter with 8 mm female quick plug. Compact size and light weight, easy to carry and store. Material: The diving cylinder filling adapter is made of high-quality aluminum, rust-resistant, strong and durable. Application: This tank filling adapter is suitable for standard. Simple use: diving adapter, simple to operate and connect to fixtures, for outdoor use. High pressure: working pressure of tank filling adapter up to 5000 psi, with pressure gauge. Specification: Material: PP aluminum : 5000 psi Overall length: 14.1 cm/5.55 inch Block length: 10 cm/3.94 inch Outside diameter of block: 5 cm/1.97 inch Inner diameter of block: 3.37 cm/1.33 inch The package includes: 1 filling adapter for diving Note: