DESCRIPTION: Brand New, Never Used, Not in Retail Package "Made in USA" -1 Gott / Rubbermaid Essence Rear Vent Screw Cap with thick Rubber Gasket & Tether to prevent from losing it. DOUBLE CHECK YOUR CAN. opening is approximately 11/16" and may fit plastic gas cans Gott, Rubbermaid Essence, Wedco, Briggs & Stratton, Kolpin, RotopaX gas, diesel, kerosene, water cans vintage style with rear vent ports. Not all gas can parts are interchangeable between brands, these caps do not fit any other brand other than what has been specified. Please double check your requirements and ask any questions prior to purchase to ensure getting the right parts the 1st time. ★ These Replacement Parts are hard to find and considered obsolete due to New Government Regulations. Buy a few to keep on hand to Save your old gas can from the landfill ★ **Gas Can Not Included**