Rocket support hoses for extreme heat ducting near engines, test stands, and launch support equipment. The Heat-Flex GS and NS provide silicone-coated fiberglass construction designed for sustained high-temperature exposure. The Flex-Lok 550 and Flex-Lok 1050 provide stainless steel construction rated to 550°F and 1050°F respectively. The Springflex FSP-5 offers flexible deployment for portable heat ducting. Many sizes available.