The length of 5 FT is suitable for most people's need. You can connect it directly to the tabletop 17inch/22inch grill,you can also 90 degree propane elbow adaptor on the hose and connect other of griddle with 3/8inch Male flare directly. Good for 17 inch and 22 inch grill/table top grill. And the other side is QQC1 hose connecting to 5lb or 40lb gas cylinder. Easy to Install - The Low Pressure Propane Regulator and Hose is easy and quick to connect the tabletop grill and storage tankwithout any tools. Attention: When you hear noise in the regulator during installation, it is the resonance of the gas in the regulator. Colour:Black Material:PVC+brass Raw tape color and style are random,can not be chosen the specific Package Contents: 1x Propane Adapter Hose with Regulator 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.