Comparison : Item # 712-0808-12, Female Pipe to Male Pipe 3/8" ID Gas Appliance Connector
Item # 712-0808-18, Female Pipe to Male Pipe 3/8" ID Gas Appliance Connector
Item # 712-0808-24, Female Pipe to Male Pipe 3/8" ID Gas Appliance Connector
Item # 712-0808-36, Female Pipe to Male Pipe 3/8" ID Gas Appliance Connector
Item # 712-0808-48, Female Pipe to Male Pipe 3/8" ID Gas Appliance Connector