Propane Tank Refill Adapter Joint Description A compact brass adapter designed to let you transfer propane quickly and easily between cylinders and refill bottles. Simple to install with no tools, it fits all gas tanks and includes a builtin automatic shutoff that stops flow when the fill pressure is reached to help prevent overfilling. Key benefits Fast installation: attaches in about one minute with no tools required. Convenient refills: refill bottles and small cylinders without replacing the entire tank. Controlled filling: builtin automatic shutoff cuts gas flow when target pressure is reached to reduce the risk of overfilling. Durable construction: solid brass body for long service life and reliable connections. Compact size: 6.1 x 2.9 x 3.3 cm for easy storage and transport. Features and specifications Material: brass. Size: 6.1 x 2.9 x 3.3 cm. Color: as shown. Compatibility: fits all gas tanks and allows refilling of bottles and cylinders. Operation: quick handinstallation, no tools required. Safety feature: builtin automatic shutoff at fill pressure. Recommended usage tip For maximum fill, place the receiving cylinder in the freezer for 30 minutes before refilling. This helps the cylinder accept more propane during transfer. Typical applications Home grilling: refill small grill cylinders during a cookout or backyard barbecue. Camping and outdoor cooking: up portable stoves and lantern cylinders while on a trip. Event and catering use: keep spare cylinders filled for continuous service at small events. Package contents 1 x Adapter Joint Instructions and precautions Follow safe handling practices for pressurized gas. Ensure connections are clean, secure, and leak before starting any transfer. Do not modify the adapter. Use only for the intended purpose of transferring propane between compatible cylinders.