Flexible thermoplastic UL and CGA approved hose. The MER613 Series hoses are rated up to 350 PSIG working pressure with a 400 lbs. pull test rating. Each hose comes with 2 ends and fully crimped brass ferrules.cULus listed for lengths up to 60 in.3/8 in. female flare swivel connections400,000 BTU capacityFlexible thermoplastic UL and CGA approved hose3 ft. L. These products contain a chemical known to the state of California to cause cancer and birth defects or reproductive harm – https://www.p65warnings.ca.gov/chemicals/lead-and-lead-compounds