Process, Healthcare, Filter Elements, Food & Beverage, Mining and Refining.World class filtration solutions for New Zealand, quality products, exceptional service, the power to innovate. Over 175 years of building lasting customer relationships.Filters for dust and liquid, mesh and filter fabrics, woven and welded metal meshes, perforated sheet â all these ensure Sefar can meet your needs, whatever the application.All backed by Sefarâs team of technical experts, worldwide resources and absolute commitment to customer satisfaction.