Food approvals

​Filtration processes in the food industry are subject to strict hygiene regulations and high requirements regarding static electricity.

To ensure a clean product, the quality of the filtration media is crucial.

konfAir FoodGrade filtration media are specially developed for applications in the food industry, and are tested by an external and independent institute. The results show a migration far below the legally established limits. This confirms the excellent characteristics and food security of our FoodGrade filtration media.

konfAir FoodGrade filtration media, made of polypropylene (PP) or Polyester (PE) fibre from low temperature range and high temperature Polytetrafluoroethylene (PTFE) are those which are normally used in the food industry.

Specific requirements are laid down for needle felt used in the production and processing of food. Different types of dust such as sticky, explosive, fine and abrasive products are some of the challenges which filter bags in food production should be able to withstand daily.

Many modern filtration systems in the food industry have integrated wet laundering (CIP) of filter bags, which places great demands on the selection of the design and the materials. CIP bags are konfAir's own custom-developed design, for use in the food industry. A CIP bag has inner seams at the top and bottom and a special CIP fold. This unique design provides the best possible solution for eliminating detached threads and fibres in the final product.

The actual design focuses on optimal fit of support baskets and auxiliary plates. This ensures a perfect result with a filter bag that is easy to install and optimized for CIP. The bag design ensures that the bag can be washed completely clean, without any product being left in the bag after washing.


  • CIP = cleaning in place
  • CIP friendly snap ring
  • Specially developed CIP fold
  • No loose threads
  • Approved for food use
  • Batch number system
  • Total migration test
  • Certified by Declaration of Conformity in accordance with Regulation (EU) No. 10/2011
  • Compliance with FDA 21 CFR §176 and §177
  • Manufactured according to GMP EU 2023/2006

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