The bottle of 50 Industrial Test Systems eXact 486608 Micro sulfate (SO4) test strips are designed for use with eXact series photometers to test for the presence of sulfate (SO4) in water and have a detection range of 0 to 150 ppm. The bottle includes 50 test strips.

Industrial Test Systems manufactures water quality testing equipment for water treatment, food and beverage, pool and spa, educational, and medical industries. The company, founded in 1989, is headquartered in Rock Hill, SC.