... high quality. 6. Purification pack is integrative design with patent, it’s with high purification efficiency and low cost. Application Range ... , microbe culture, glassware rinsing, etc. 3. By adding extra device, it can be used for clinical immunology, ELIAS test, etc. Optional ... feed water contains sand, ion rust, alga or other impurities, it’s suggested to be added an extra enhanced pre-treatment ...