WIDE COMPATIBILITY --- New QCC1 propane refill adapter for 1lb propane bottle tank can directly connect your big cylinder 20~40LBS, for heater, camp stove, portable grill, tabletop grill, and more. Great for camping, tailgating, heating needs or having an outdoor cookout. WELL-DESIGN ---- 90 Degrees propane refill adapter can easily connect your big cylinder to 1lb propane tank, also design with on/ off control valve gas standard more safety and easy open and control the refill process, and the red ball valve switch can easily controlled by finger which right distance and will not effect installation space. PREMIUM QUALITY --- The gas refill adapter connection comes with quality brass to provide excellent weather resistance, to ensure secure and durable for long-lasting to use. EASY TO INSTALL --- 1lb propane propane refill tank regulator adapter is easy and quick attachment for easier installation, can connect your big cylinder to the 20-40Lb propane tank without move or carry and easy install by hands. Please find the installation guidance in the following description. 1 YEAR WARRANTY --- Order LP gas refill adapter with control on-off valve from , we can provide 12 months free-worry warranty, should be there any question, please feel free to contact us.