SF stainless steel sterile filters are designed for sterile filtration of compressed air, process air and technical gases. SF sterile filters effectively remove submicron particles down to 0.01μm, including micro-organisms (bacteria). The surface of the filter housing is polished to class Ra0.8. The compressed air quality required by ISO 8571-1 can be achieved with a suitable filter element. All components meet FDA requirements for contact with food in accordance with the Code of Federal Regulations (CFR), Title 21. Fluid group 1 on request.