Insta-TEST* pH Wide Range Test Strips, Applications: Drinking Water, Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater. 50 strips/vial.
Flask Volumetric with Glass Stopper Class - B, 25 ml, Borosilicate glass graduation mark, fitted with solid glass stopper, in compliance with ASTM-E288 standard.