Lipampiri tsa li-filters tsa RELP, tse hlahisoang ke Great Wall Filtration, li etselitsoe lihlahisoa tsa mali ka ho khetheha.Lipampiri tsena tsa filthara li na le bokhoni bo ikhethang ba ho tlosa lipid, 'me li tlosa mesaletsa ea lipid maling.Ka lisebelisoa tsa boleng bo phahameng le moralo o nepahetseng, li tiisa botsitso le ho tšepahala ha ho sefa, ho lumella lihlahisoa tsa mali hore li tšoaroe habonolo.Ebang a sebelisoa bakeng sa tšelo ea mali, ho lokisa plasma, kapa mekhoa e meng ea ho lokisa mali, li-filters tsa letoto la RELP ke khetho e tšepahalang, e fang basebelisi lihlahisoa tse sebetsang hantle le tse hloekileng tsa mali.