Sanitary filter cartridge is all made of high quality 304 or 316L stainless steel material. Each filter is made of strict material selection and careful manufacturing to ensure the streamlined design without cracks, with good surface and maximum corrosion resistance, in order to prevent bacterial contamination of the quality standard, sanitary filter sleeve unique structure, The inner and outer surfaces of each sleeve have no dead Angle, can be completely disassembled and washed, easy to operate.