Dormont GF3472SS 3/4"x72" Stainless Steel Gas Flex. This Dormont GF3472SS 3/4"x72" Stainless Steel Gas Flex Safety Shield Stainless Steel Gas Flex is a genuine part manufactured by Dormont. This Gas Flex Line is designed to easily move into attic and basements areas, around corners and bends, and through walls. This Flex is lighter, and requires less fittings than galvanized pipe. This Dormont GF3472SS 3/4"x72" Stainless Steel Gas Flex is a durable, corrosion resistant stainless steel gas connector manufactered with threaded fittings for installation on gas powered applications. The Gas Flex is designed with safety in mind and is CSA approved as a quality and reliable gas connector. This Stainless Steel Gas Flex is ideal for the installation of home appliances such as gas logs and space heaters. Dormont is a leading innovator and manufacturer of high-quality stainless steel gas connectors that are safe and economical. Dormont has a proven performance record that spans over 60 years of service.