... Tube,Precision filtration tube,filter, screen plate, water distributor, water input device,resin sprayer fittings,water filter nozzle etcMaterial: 1Cr18Ni9Ti; 304L,316L; 317L ... : rectangle,square,trapezoid,round,triangle etcStandard pipe flange should be usedThe special needs(as internal water outlet, external water outlet, internal pore Dia etc) also ...