Efficient filling solution The 90degree elbow design directs gas flow to small steel cylinders, enabling you to connect a large tank and refill in under 1 minute. This compact geometry helps you complete fills quickly and with minimal effort. Safety control valve A propane on/off control valve is included to prevent gas leakage during the connection process, ensuring a safe and controlled filling experience from start to finish. Gas level meter Builtin gauge lets you quickly check the remaining gas in your large tank, helping you avoid interruptions caused by running out of gas during a refill. Durable brass construction Made from solid brass, this adapter provides a reliable seal and includes safety features to prevent cylinder overinflation, contributing to safer use and longerlasting performance. Key attributes Function: Transfers gas from a large propane tank to small steel cylinders with a 90degree elbow design for easy access. Includes a safety on/off valve and an integrated gas level gauge for realtime monitoring. Material: Solid brass construction for durability and a reliable seal. Performance: Refill time of under 1 minute and builtin safety features to prevent overpressurization. Compatibility: Designed to connect standard large propane tanks to small steel cylinders. Size and compatibility notes 90degree elbow design optimizes flow to small cylinders and fits typical large tank connections. Uses a standard propane connection compatible with common large tanks and small steel cylinders. Use scenarios Home grilling and outdoor cooking: Refill your small grill propane cylinders from a larger tank quickly to keep outdoor cooking uninterrupted. Camping and outdoor activities: off camping stove or lantern cylinders at the campsite, avoiding trips to refill stations. Workshop or maintenance tasks: Refill portable propane cylinders for tools and heaters in a workshop while maintaining safety with the builtin valve and gauge.