made of: 2 Flex which can be shortened 3/4´ F. - 3/4´ F (E.332) for forward and return 2 Flex which can be shortened 1/2´ F. - 1/2´ F. (E.332) for hot/cold sanitary water 1 Flex extenible for gas 3/4´ M. - 3/4´ F. (E.333) with yellow sheath 5 washer 3/4´ 4 washers 1/2´