What it does Protects tank valves from dust, water, and debris to help prevent contamination and damage when valves are not in use. Preserves your underwater equipment by providing a reliable physical barrier for valves during storage, transport, and maintenance. Why you need it Reduces the risk of valve contamination that can lead to leaks, reduced performance, or service needs. Helps extend the service life of your cylinders and valves by keeping contaminants out of delicate valve components. Gives divers and instructors confidence that tanks are protected between uses and while being handled. Key features Material: Made from 6061 aviation aluminum for a durable, lightweight plug that stands up to regular handling. Function: Simple valve protection that blocks dust, moisture, and particulate debris. Build: Sturdy construction designed for repeated use and reliable protection. Compatibility and fit Intended for use on tank valves and other similar cylinder fittings used in diving and underwater work. Compact design that fits cleanly over valve openings for a secure protective seal. Performance Durable aluminum construction provides consistent protection without adding significant weight. Effective barrier against common contaminants encountered during storage, transport, and surface handling. Typical use scenarios 1. Travel and transport: Remove the regulator and use the plug to protect valves while tanks are stored in luggage, trunks, or gear bags. 2. Storage and seasonal layup: Fit the plug to tanks during long-term storage to keep dust and moisture out of valve openings. 3. Training and instruction: Instructors and dive shops protecting multiple cylinders between student sessions and during on-site handling. Who it’s for Diving enthusiasts, professional instructors, and anyone responsible for maintaining scuba equipment who needs a simple, reliable way to protect tank valves. Practical benefits Low-maintenance protection that reduces the chance of unnecessary service and helps maintain operational readiness. Lightweight and durable so it can be kept with your kit without adding bulk. Care and handling Rinse with fresh water after exposure to saltwater and dry before storage to maintain the plug’s condition and the cleanliness of the valve area. A straightforward, durable plug built from 6061 aviation aluminum to protect tank valves and help preserve your scuba equipment during storage, transport, and maintenance.