Copper Flexible LineFinish gas supply piping projects quickly and easily with the Everbilt 3 8 in. x 50 ft. Soft Copper Refrigeration Coiled Pipe. This durable pipe is heat resistant up to 150 F and can withstand up to 836 PSI maximum pressure. Coiled for easy use and storage. Features Made from durable, soft type refrigeration copper Coiled for convenient handling and storage Maximum working pressure of 836 PSI Resists temperatures up to 150 F Use as gas supply piping