SynderFiltration Membrane Filters: Nanofiltration, Microfiltration … Oil & Gas. Fill out this form. We’ll contact you within 24 hours. “What stands out for Fonterra is the consistency of membrane performance and first class support.” ~ Mark, Fonterra … Oil & Gas. Fill out this form. We’ll contact you within 24 hours. “What stands out for Fonterra is the consistency of membrane performance and first class support.” ~ Mark, Fonterra …