Crimped Copper Fin Tube is available I the maximum length of 10 feet. The Fin Tube is made using quality grade copper metal to ensure durability of use for a long time. The Fin Tube is available with a tube diameter of range 16 to 25.4mm and fin height of range 9mm to 25 mm. The Crimped Copper Fin Tube is capable of operating under temperature ranging up to 120 ° C.