Features 1、Easy Refilling: No other tools are required, this QCC1 refill adapter enables easy propane refilling within a few minutes. 2、Great Security: QCC1 design ensures firm connection and stable flows without leakage, which will never overfill the tank. 3、Practical Uses: Able to fill 1lb gas cylinder with large gas cylinder to simplify the carrying for camping, barbecue, etc. 4、Brass Material: Combining high quality brass material with fine structure, not likely to deform, durable for repeated use. 5、Easy to Install: Comes with a light weight and a compact size as well, the convenient installation can be quickly finished. Specification Item Type: Refill Adapter Product Material: Brass Entrance: QCC 1, that is Type 1. Outlet: 1in-20 Female Thread Function: Use a large cylinder to fill a 1 pound gas bottle to achieve repeated use of a disposable gas bottle. Package List 1 x Refill Adapter