Description
Industrial Test Systems WaterWorks 481108 Total Hardness Test Strip, 3 Second Test, 0 1000ppm Range, Our #1 Test Strip for Total Hardness, Bottle of 50 Tests, Tan sold2024 LIFETIME USA WARRANTY All parts PZN 11038827 LACALUT Interdental sold2026 B0CY2VTLLF Style:PVD Coated(black&grey) LIFETIME USA WARRANTY All parts from GenXenon are guaranteed for life water working