... 1.2m 6~9pleats per inch fiberglass filter media imported and local fiberglass media can be choosed, PPefficiency arrange from F6, F7 ... the best provment of the good quality mini pleat hepa media packs. size according to customer requirementwidth 0~1.2 mthickness ... :20 ~ 100 mmextended filter media area,very closed mini pleat pack,8-9pleat per inch ...