Mr. Heater 1 Foot Propane Hose Assembly with Acme Nut and a 1/4'' Inverted Male 1/4'' inverted Male flare x Acme nut. Connects to a propane tank and an auto change over dual stage regulator. Regulator model (F273766) Features Acme Nut x .25 inch Inverted Male Flare Connects to propane tank and auto change-over dual stage regulator Hose material stretch tested to 400 psi Hose material pressure tested to 600 psi Solid brass fittings 1' in length Durable rubber hose Flexible 210 psi capacity Useful in BBQs RVs and campers USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.