Quick view Color-changing Rechargeable Sanitizer Towels, Yellow/white/blue, 13.5x18, 150/ct Sertun™ Log in for pricing Sanitizer indicator towels are designed to effectively eliminate the risk of cross-contamination and foodborne illness for food service establishments. Yellow towel turns blue when saturated with... Log in for pricing Quick view Qty in Cart: 0 Price: Log in for pricing Subtotal: