Shallow tank for filling liquefied gas tank.This valve is made of brass and stainless steel for safety, convenience and easy control.With transparent and high pressure PU tubes, you can check the airflow directly.Small size, comfortable to carry, camping, barbecue, outdoor cooking, picnic and other essentials.Usually, flat tanks are disposable, but inflatable valves make them reusable.how to use:1. You need an inflation valve, an empty flat tank, a liquefied gas cylinder and an electronic balance.2. Before refilling, make sure the flat tank connection valve is closed.3. Connect the liquefied gas cylinder port to the cylinder and unscrew the cylinder valve to check if the gas escapes.4. Place or flip the liquefied gas bottle and connect to the shallow water tank. Place the connected flat container on the scale, open the liquefied gas cylinder button, and you will see the liquefied gas flow in the pipe.5. After inflating, close all valves.color: silverMaterial: PU tube + coppertube Length length: 60-65cmconverter: 2.7 x 4.3 x 4cmTotal length: approx. 70 cm / 27.56 inchesPackage Contents:2 x self-closing type conversion head2 x flat gas tank inflation valveOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.