Propane Refill Adapter with Valve and Gauge, Fill 1 Pound Bottles from 20lb Tank, Fits QCC1 / Type1 84199586Effortless Refilling The 90 degree elbow design facilitates smooth gas flow to smaller cylinders, allowing for easy attachment to large tanks and 16oz tanks, enabling refills in just one minute. Enhanced Design Equipped with a propane ON OFF control valve, this adapter minimizes gas leaks during cylinder connections, allowing for safe and controlled refilling. Rapid Monitoring Swiftly assess the remaining gas in your large tank to avoid any