Chek-Stix Combo Pak Urinalysis Control Strips, Positive and negative controls, Pack of 50

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Positive and negative controlsConvenient combination kit of positive and negative control strips for urinalysis testingChek-Stix provides positive, negative, or defined results for bilirubin, blood, glucose, ketones, leukocytes, nitrite, pH, protein, specific gravity, and urobilinogenControl strips are reconstituted with distilled water to provide results; remain stable for up to eight hoursOrder InfoPackaged as a set with one bottle each of 25 strips, positive and negative.