The 2L100A generates 2 liters of 100 ppm ultra-pure ClO2 and is intended for clinical and general cleaning. The 2L100A is easy to use. Simply remove 2L pouch cap and add 2 liters of water. Let generate for 1 hour. Dilute the solution to fit your needs, if necessary. The 2L100A is commonly used for water lines, high purity water and clinical equipment cleaning.