Chek-Stix Urinalysis Control Combo Positive and Negative strips (pack of 2 bottles of 25)

Positive and negative controls

Convenient combination kit of positive and negative control strips for urinalysis testing

Chek-Stix provides positive, negative, or defined results for bilirubin, blood, glucose, ketones, leukocytes, nitrite, pH, protein, specific gravity, and urobilinogen

Control strips are reconstituted with distilled water to provide results; remain stable for up to eight hours

Packaged as a set with one bottle each of 25 strips, positive and negative.