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All our sterile filters are FDA / EC validated and approved. "Sterile" means "free of microorganisms that are capable of reproducing itself".
P-SMF is a prefilter used to protect the P-SRF / PTFE sterile filter.
P-SRF is sterile filter using depth filtration to achieve an absolute retention rate of 99,99998% related to 0,01 µm.
PF-PT is a sterile membrane filter used in the most critical applications.
P-GS steam filter is used to sterilize steam and can also be used for "in place" regeneration of sterile elements.
P-BE & Ultra-Vent are vent filters for receivers. The main difference is that Ultra-Vent is a "one time use" filter whereas the P-BE can be regenerated. |
All our sterile filter from Ultrafilter has been validated by both the FDA and EC-1935/2004. These particularly effective and fine filters can remove bacteria down to 0.2 microns, both as a depth, absolute, membrane filters, and in many different variations. | ![]() ![]() |
Depth FilterThere is depicted in sterile filtration technique between two types of filter: the depth filter (P-SRF) and membrane filter (Fleurofil, Chemifil).
Membrane FilterAnd a membrane filter is made of polymeric plastic film - typically polypropylene, these filters have less filtering capacity but this can be guaranteed an almost 100% retention rate and is available in several filtering degrees 0.1, 0.2, 0.45) microns. |
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