Propane Tank Refill Adapter With Luminous Gauge And Valve Gas Cylinder Filling Connector

1. Colorful luminous dial, the dial pointers can emit light in the dark. Whether its during the day or at night, it can easily monitor the gas level
2. Safety valve to prevent leakage, safe and reliable
3. Waterproof and rust-proof, sturdy and durable
4. Equipped with propane gas level indicator and switch control device, allowing you to efficiently and precisely monitor the gas usage
5. Suitable for propane tanks ranging from 1 pound to 20 pounds, with high versatility in various situations
6. Material: brass
7. Weight: about 270g