-Fill flat tanks from a liquid cylinder easily and safely with this brass propane tank adapter. -Designed for various uses, such as lanterns, heaters, grills, and more, making it a convenient accessory for camping, tailgating, and outdoor cooking. -Constructed with durable and rust-resistant brass material, ensuring long-lasting use. -Features a built-in safety mechanism to prevent over-filling and protect the user's safety. -Works with larger tanks, reducing waste and saving money. -Provides a smooth connection and effortless installation for a comfortable experience.