SUS316 Material Bore 2\" - 8\" High Head Large Volume Sea Water Use Features: Model CT-C pump, pump body, pump up water impeller and enter water access cap, quarry SUS316 cast materials, the axis is a SUS316 material, the mechanical axle seals VFA and VTSIC(Tungsten) material, corrosion-resistant, the stability is high, can give play to extremely high function and lift-span. Application: Sea-farming, shipping.