... pipe, 3MM U type steel galvanized shelf, closed-end pressure regulator.2.Advantage: international Q235 material, Good elasticity, not deformation ... plate rack, U shape design. Can withstand 350-kilogram pressure. Plus double galvanized, use life is for 15 years ... 6.Enclosed type compressor governor: the fully closed design, pressure regulating and filtration together, can regulate the water arbitrary ...