... staff to our factory visit negotiate business, Filter round water cap 1. Tpyes of rich;Range of OD: from ... of industryChemical industry, petroleum, metallurgy, environmental protection, textile, medical, water treatment and cleaner Technical parameters Serial numbermodel gapOutlook size0.2 gap ... .2-0.57040105M3253011LDS70-4-B0.2-0.57050115M32530note:1, water cap are with a rubber gasket, the same kind ...