Hexagon OBTI, Box of 24

Hexagon OBTI is used to rapidly identify the presence of human blood. Simply place a sample suspected of presumed human blood in the included collection tube and transport medium. Add the indicator solution to the test strip. Results will appear in roughly 2 – 3 minutes. A single blue line indicates the testing liquid functioned appropriately but no human blood was detected. Two blue lines indicate the presence of human blood. Each test can detect whole blood up to a dilution of 1:1,000,000. As little as 500 red cells are required for a positive result.

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