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Ultrafiltration is a purely physical filtration with defined pores approx. 20 nanometers (nm) in size. PB has a pore size of 0,015 micron to capture all bacteria. They not only remove turbidity (the cloudiness you sometimes see in tap water), but also potential pathogens and microplastics.

Bacteria and particulate, such as legionella and iron, are removed from the water and flushed to the drain.
Since our inception we have developed a standard range of ultrafiltration products using multibore membrane technology. The patented multibore membrane technology combines seven individual capillaries in a highly robust fiber – an arrangement that significantly increases the membrane’s stability and eliminates the risk of fiber breakage. The membrane provides a secure barrier against microplastics, suspended solids, bacteria, viruses and other microorganisms and supplies a consistently high level of filtrate quality, even in cases where the composition of the original water.