- Application: This cap is designed specifically for 1 lb propane bottles or cylinders, making it an essential accessory for your barbecue, camping stove, propane heater, or any other device that uses a 1-pound propane cylinder. - Secure Thread Seal: Featuring a robust thread seal, this brass refill propane bottle cap ensures a tight and secure fit, preventing leaks and safeguarding the integrity of your propane cylinder during both storage and transport. - Leak-Proof Design: The cap includes a reliable rubber seal that effectively prevents potential valve leaks, providing additional peace of mind when your propane cylinder is not in use. - Durable Material: Constructed from high-quality brass, this protective cap offers long-lasting durability, ensuring reliable performance for your 1 lb propane gas cylinder. - Practical Use Scenarios: - Use it to securely seal your propane bottles while camping, ensuring safe transportation and storage. - Keep your barbecue setup leak-free by using this cap when your propane cylinder is not connected. - Ideal for winter storage of propane cylinders, preventing leaks and maintaining safety. This propane bottle cap stands out for its combination of durability, leak-proof design, and compatibility, making it a must-have for anyone who uses 1 lb propane cylinders regularly.