Seamless refill process The improved propane refill angle adapter features a safety 35.6 cm on-off control valve for smooth refilling. Transfer propane easily from larger tanks to smaller 0.5 kg bottles without hassle. Compatible with multiple tanks Designed to connect 2.3 kg to 18.1 kg propane tank cylinders with small 0.5 kg bottles, making it ideal for camping adventures, grill setups, and outdoor cooking. Quick propane level check Equipped with a triple color fill level indicator to monitor your propane level. Read the dial in low light with red, yellow, and green markings. Durable brass construction Made from solid brass for improved durability and resistance to harsh weather, delivering long term, consistent performance. Use scenarios - Camping trips: refill 0.5 kg bottles from a larger tank at the campsite for portable cooking gear. - Outdoor grilling: keep small bottles topped up for grills during barbecues and picnics. - Emergency prep: maintain spare 0.5 kg bottles for quick refills when needed.