1/2-20UNF and 3/8-24UNF Threaded 8mm Male Quick Adapter for Inflating Refillable Cartridges Capsule Inflatable Diving Tank


Material: stainless steel 304

12g 16g cylinder: 3/8''-24UNF and 1/2-20UNF



Please note: You must use a high pressure pump (above 30mpa) to inflate it