BVV Deionized Water(DI) – Ultrapure Water – Type 1 size 5 GALLON
As defined by the ASTM there are only 4 types of Pure Water. Ultrapure Water – Type 1. Type 1 deionized water is the highest grade of deionized water, ensuring a high level of purity, typically with resistivity values of 18.2 MΩ·cm at 25°C.