- Application: This cap is designed for use with 1 lb propane bottles or cylinders, making it ideal for barbecues, camping stoves, propane heaters, and other devices that utilize 1-pound propane tanks. - Leak-Proof Design: Featuring a rubber seal, this gas cap effectively prevents valve leaks during storage, ensuring safety and reliability. - Secure Thread Seal: The brass construction of this refill propane bottle cap includes a secure thread seal, providing a tight fit that helps maintain the integrity of your propane cylinder, whether in storage or during transportation. - Compact Size: With dimensions of 2.8 cm x 1.4 cm, this cap is easy to handle and store, making it a convenient accessory for home use and outdoor activities. Use Scenarios: 1. Perfect for outdoor barbecues, ensuring a steady gas supply without the worry of leaks. 2. Ideal for camping trips, providing reliable fuel connections for stoves and heaters. 3. Essential for safe storage of propane cylinders at home, protecting against potential leaks. Choose this propane bottle cap for its functionality, compatibility, and robust design, ensuring your propane needs are met efficiently and safely.