Strict quality controls ensure this high purity reagent grade water meets or exceeds ASTM Type I, CAP/CLSI clinical laboratory reagent water and USP-NF purified water criteria.This high purity reagent grade water is free of all organic and inorganic contaminants and is packaged at 18 megaohms-cm resistivity, the absolute limit for completely pure water.There are 20 liters of deionized water in this Cubitainer. –> Shop About Us Contact Us Reviews and Ratings EKI Chemistry Reagent 20 Liter 15335-20L EKI | MFG #15335-20L Deionization removes dissolved particles such as sodium chloride, minerals, carbon dioxide, organic contaminants and other impurities from water. Deionized water, when added to tap or bottled water, performs reverse osmosis which helps to remove the dissolved salts and oxygen in water. Deionized water is used in biological research and more mundane things such as cleaning a household humidifier and keeping your aquarium fish healthier. Strict quality controls ensure this high purity reagent grade water meets or exceeds ASTM Type I, CAP/CLSI clinical laboratory reagent water and USP-NF purified water criteria.This high purity reagent grade water is free of all organic and inorganic contaminants and is packaged at 18 megaohms-cm resistivity, the absolute limit for completely pure water.There are 20 liters of deionized water in this Cubitainer. Product Count: 1 Packaging Count: 1 Total Quantity: 1 Product Specifications EK Industries Inc EKI Reagent Grade / ASTM Type I Chemistry Reagent