Features: 1) Material quality: AISI304, AISI304L, AISI306, AISI316L 2) Size: DN25-150 3) Seal: s Features:1) Material quality: AISI304, AISI304L, AISI306, AISI316L 2) Size: DN25-1503) Seal: silicone, EPDM4) Standard: DIN, SMS, 3A, ISO, IDFOuter packing:Export packing Sell Square Manhole