... ",6",8",10" Casing:UPVC,SS,FRP RO pretreatment with Ultra filtration membrane water filtering filter for water ... foods, drinks, medicine and other industries.Applications for :• Pretreatment for Reverse osmosis and DI system• Terminal filtration for ... process• SIMPLEST installation and operation• Compared to conventional pretreatment technology, Ultrafiltration is simple which only requires a single ...