quality, Made of high quality material. Filling station transfer adapter hose for BS 341 size 3 (UK) cylinders. The G 5/8Inch connection hose is designed to connect to and refill the tank using the G 5/8Inch thread. Standard BS341 NO.3 connector for heavy cylinders. G 5/8Inch RH Cylinder to G 5/8Inch RH Cylinder. Hose for superior strength and safety.<br><br>Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Metal<br><br>Package Contents: 1 * connecting hose<br><br>Only the above package content, other products are not included. Note: Light reflection 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.