Color change provides semi-quantitative measure of surface cleanliness The more contamination present, the quicker the color change to purple and the darker the color PRO-Clean detects protein residues left on a surface after cleaning Results in under 10 minutes No instrumentation required - simple color-changing swab device Detects 80μg protein after 1 minute Detects 50μg protein after 5 minutes Detects 20μg protein after 10 minutes Results color chart printed on label for easy interpretation Patented Snap-Valve™ technology and premoistened swab bud Write-on swab tube label Quick and easy way to monitor HACCP/SSOP program Instant results allow for immediate corrective action No technical training required Meat processors, Food processors, Restaurants and food services, Grocery stores