... filter media straight pack,uniform low pressure drop,high dust capacity width up to 1.2m 6~9pleats per inch fiberglass filter media ... imported and local fiberglass media can be choosed, PPefficiency arrange from F6, ... customer requirementwidth 0~1.2 mthickness :20 ~ 100 mmextended filter media area,very closed mini pleat pack,8-9pleat per inch ...