- The bottle head interface is compatible with most bottle head valves on the market. It is small, lightweight, and easy to carry and use. - The adapter directs air from a large bottle to a small bottle. It is simple to operate and eliminates the need to carry a large diving device, making diving more convenient. - The 8 mm inflation interface uses a ball-lock design, providing durability and ease of use. - When the gas is full, close the bottle head valve and unscrew the pressure relief button to drain excess gas. Then remove the adapter. Key benefits - Wide compatibility: suitable for most bottle head valves, ensuring versatile use with existing equipment. - Portable and convenient: compact size and light weight for easy transport and quick setup. - Simple operation: straightforward connections and flow control without complex tools. - Safe gas handling: built-in procedure to release excess gas before removing the adapter. Specifications and features - Function: transfers air from a large bottle to a small bottle for efficient gas management during field or travel use. - Compatibility: designed to fit most bottle head valves. - Interface: 8 mm inflation interface with ball-lock design for secure connection. - Performance: provides direct air transfer with simple operation and reliable closure. Usage scenarios - On a dive boat or training site: transfer air from a primary cylinder to a smaller bottle to extend gas supply for shallow or contingency dives. - Field operations or equipment maintenance: fill a compact bottle or inflation device from a larger bottle without carrying full diving gear. - Travel or remote locations: maintain a lightweight gas transfer tool to refill small bottles when a full diving rig is impractical. Operational guidance - Connect the adapter to the large bottle and connect to the small bottle via the 8 mm interface. - When the small bottle is full, close the bottle head valve and unscrew the pressure relief button to drain excess gas. - Remove the adapter carefully after gas is drained.