Mabokose a filthara a sebelisetsoa ho tlhotla moea ka har'a tsamaiso ea moea le ea moea.Mabokose a li-in-line duct filter a na le likoahelo tse bonolo ho bula tse nang le likarolo tse bonolo tsa ho lokolla, tse nolofalletsang phetoho e potlakileng le e bonolo ea likarolo tsa sefa.Mabokose a rona a tloaelehileng a li-filter a fumaneha ho lumellana le boholo ba likotopo ho tloha ho 100mm ho ea ho 200mm bophara. Sesefo sa Hepa Thibela ka katleho ho feta 96% ea libaktheria.