air filter

1.Filter feature: Larger filter surface, Light weight, Compact structure, Economical, Practical and Washable 2.Use:The filter available for exact machine terminal supply unite, dust collectors used in clean room and air cleaner terminal.3.Filter material: PET, PP, PTFE, fine glass fiber paper and etc.4.Filter protecting frame: ABS or PP plastic5.Grade:G4 -- H14If possible, could you send us exact specifications and requirements or drawings or samples, that will be deeply appreciated.