... EU standard 2.Wavelength:253.7nm 3.Different model for your choice or OEM service 4.304# stainless casing Details ... purity quartz tube, matching with the appropriation uv lamp tube for water treatment, sterilization strong, long time, stable and reliable operation, it ... , life, life and electronics and other fields. TypeAmount of water treatment(gpm)Tube equipmentInlet/Outlet(inch)size(cm)L*D*HAverage ...