DuoLine HE Bags

Designed to provide effective filtration for a wide range of applications using a variety of graded filter media.  DuoLine HE bags are manufactured using multi-layered polypropylene microfibre media with built in pre-filter layers. The progressive density depth filtration delivers high efficiency of up to 99.9% positive and controlled solids removal.  The multi-layered construction of the HE Bag uses varying thickness of media to create a depth type filter with up to 12 different grades of material.

Available in 2 diameters -  4¼" and 7” , both fitted as standard with a top ring locator in various materials and styles.
Designed to filter from the inside to out leaving the contamination inside the bag for simple disposal.

Contact us now for further information or to discuss your filtration requirements.

Product Features

  • Micron ratings available from 0.5 to 25µm for wide ranging filtration needs
  • High efficiency media for critical applications
  • Optional moulded polypropylene flange with handles for superior sealing and ease of handling


  • Wide selection of filter media and support ring materials
  • Identification supplied with every bag
  • Silicone free for use in automotive paint applications


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