General description 7PCS Propane Refill Adapter with Valve and Gauge Sets for QCC1 Tank is designed for safe and efficient propane refilling. This premium brass adapter ensures no leakage and secure operation, allowing you to refill with confidence. The set includes a propane tank gauge and a 1lb bottle cap, making it a perfect companion for your propane-powered adventures. Technical specifications Material: Brass Design: 90-degree elbow adapter Control valve: 1/4 ON/OFF control valve Compatibility: Connects QCC1/Type1 joint to 5-40LB propane tanks Measurement allowed error: +/- 1-3cm Compatibility and accessories Suitable for outdoor camping stoves Compatible with heaters Works with portable and tabletop grills Package contents: 1 x inflatable connector, 4 x lids, 2 x raw material ribbons Installation To refill, turn the large propane tank upside down and place it securely in the corner of the dining table to allow the liquid to flow out. Usage The propane bottle refill adapter