Comparison : Item # 711-0808-12, 3/8" Inner Diameter Female Pipe to Female Pipe - Gas Appliance Connector
Item # 711-0808-18, 3/8" Inner Diameter Female Pipe to Female Pipe - Gas Appliance Connector
Item # 711-0808-24, 3/8" Inner Diameter Female Pipe to Female Pipe - Gas Appliance Connector
Item # 711-0808-36, 3/8" Inner Diameter Female Pipe to Female Pipe - Gas Appliance Connector
Item # 711-0808-48, 3/8" Inner Diameter Female Pipe to Female Pipe - Gas Appliance Connector