Filtersafe, a world leader in automatic seawater filtration, has today announced the removal of 316L grade stainless steel from its supply chain for ballast water treatment system (BWTS) filters. The commitment will see Filtersafe switch to 904L grade stainless steel at its manufacturing facilities in Israel and Hong Kong, which produce filters for around 25% ... The post Filtersafe boosts filtration standards in the ballast water treatment industry by removing 316L grade stainless steel from its filter supply chain first appeared on Hellenic Shipping News Worldwide.