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:BlackMaterial:PVC+brassRaw tape color and style are random,can not be chosen the specific Package Contents:1x Propane Adapter Hose with RegulatorOnly 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 +/ 13cm.