high temperature resistant filter 1.Bag(pocket)filter,Panel frame,Box Filter, edia/felt 2.Efficiency spec:G1~G4, F5~ ... mediaRoll filter mediaBag filterPanel filter(Paper, Nylon, Wooden, Metal Frame)Box filter(Paper, Nylon, Wooden, Metal Frame)Material:Synthetic fiber( PP, PET) filterPolyester filterFiberglass ...