... fiber and addhesive full treatment. Ceiling filter (exhaust filter, roof filter, sticky filter, air filter, paint spray booth filter ... which require high air purification, such as air adjusting system of automobile painting equipment, biological pharmacy and metallurgy. Introduction ... ClassF5 (DIN 24185)Flame ResistanceF1 (DIN 53438) roof filter media VF600G, sticky filter,spray booth filter pad