- Gas filling valves: precision manufactured for stable properties and high reliability; gas filling adapter - Gas Tank Converter: professional gas filling valves that are indispensable for outdoor cooking; gas filling adapter - Gas filling adapter: with this gas filling valve you can refill the flat gas tank conveniently and easily; gas bottle adapter - Valve adapter: with this adapter you can easily charge the flat gas tank for the other gas storage tank; gas filling adapter Use scenarios: - Outdoor cooking and camping: connect and transfer gas between tanks to run stoves and grills reliably on trips. - Park or backyard barbecues: convenient refilling and swapping between different gas vessels for continuous operation. - Mobile kitchens and events: maintain gas supply by easily charging or refilling flat tanks between storage tanks.