Product Description High efficiency filter material: PP / fiberglass / Compounded material / PTFE / PET • Advanced structure: Mini-pleated, without clapboard and fixed with hot-melt glue • Frame: Paper / aluminium / galvanized steel • High efficiency, more than 99.97% • Low resistance and large dust holding capacity • Mini pleated without separator, lightweight and convenient to install • Material selectable, washable and reusable (PP / PTFE / PET) • Stable performance, anti-deformation • Material safe, non-toxic and odorless • Diferente shape and size available for all types of machines