Sturdy brass construction Constructed from brass material, this diving inflator valve core offers long service life and resistance to wear, making it ideal for frequent divers. Oring for airtight performance Equipped with an Oring that enhances wear resistance while providing airtight connections during use, crucial for reliable inflation and deflation. Maintenance tool for ease of use Includes a maintenance tool that allows you to easily disassemble and the spool as needed, ensuring performance at all times. Compact and easy to carry Lightweight and compact, installation is straightforward and it is easy to transport in your dive bag. Use scenarios Frequent dive trips: provides reliable inflation and deflation performance, reducing downtime during dives. Service and maintenance environments: the included maintenance tool enables quick disassembly and spool replacement to maintain performance in dive shops or on rental fleets. Travel and onthego use: compact size and lightweight design make it easy to carry and install in field kits or travel bags for ready repairs.