filter bag for air &liquid filtration 1.fiberglass filter media 2.initial filter efficiency 3.housing filter filter bag for air &liquid filtrationSpecifications85%pocket filter(F7)85%pocket filter(F7) 80-85%pink98 ... , paintting factory, electrical factory, hospitial, laboratory, dust-free room filter bag for air &liquid filtrationLarge filtering, easy cleaning,easy to change.long service ...