Type: filter bag Filtration level: G3,G4,F5,F6,F7,F8 Consecutive temperature: ... :130. Material: polyester, nomex, pps or conductive fiber added Specifications:Type: filter bagFiltration level: G3,G4,F5,F6,F7,F8Temperature:consecutive ... , airports, paint shop, school, computer room, etc. needle-punched filter bag