1/4 In. inverted Male flare x 3/8 In. Acme nut. Connects to propane tank and auto change-over dual stage regulator. Hose Length: 12" Connection Type: 1/4" Inverted Male Flare x 3/8" Acme Nut Model Compatibility: F273766 Warning: This product can expose you to chemicals including lead and lead compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov. -