stainless steel heavy hoop 1)Material:304,316,316L,304L 2)Size1/2"-6" ... 3)Safety and convenient. 4)Easy installa Specificationsstainless steel heavy hoop 1)Material:304,316,316L,304L 2)Size1/2"-6 ... -DN150 3)Safety and convenient. 4)Easy installationStainless steel heavy hoop 1)Material quality: SUS 304.SUS 316,316L,304L 2 ...