The Glo Germ Lightstick is great for checking simulation germs over a large mass of area. Use in hospitals, classrooms and restaurants to check for the fluorescent gel, powder or spray. Blacklights are a trial tested method to increasing infection control levels in many organizations. Glo Germ has been a staple training tool for hygiene programs.
UV light stick, 20 inches long, 15-watt electric lamp.
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See this infection control product review...