Sanitary Stainless Steel SS304 Hatches Zhejiang WanGuo Fluid Equipment Technology Co., Ltd. Base Info Standard.:ISO, DIN, SMS, 3ATrademark:IFECTransport Package:Wooden Cases or Wooden PalletSpecification:400mm, 450mm, 500mm, 600mmOrigin:Zhejiang, China Description Pre:40cm Sanitary Pressure Round Manhole Covers (Stainless Steel 6hands) Next:Stainless Steel Hygienic Pressure Tank Manway with Plastic Handle