Kitchens should be the cleanest environment in any food-service establishment. 3M Clean-Trace Surface Test Swabs are single-use swabs are pre-moistened to aid in sample collection and processing. Upon activation of the test, the chemical reacts with the sample collected on the swab to produce light. The amount of light produced will determine the degree of potential contamination. Reduce the risk of food safety incidents by monitoring for contamination with real-time results. Quick detection and confirmation allows immediate corrective actions to take place. Easy to use and consistent, reliable results. - Sold per box; 100 per box