Sertun 9650 Colour Changing Sanitizer Indicator Towels Wht/Yel, 13.5X18 Inch

These Sertun towels will help to improve sanitation practices by using a patent pending Color Check Technology. The non-woven fabric changes from yellow to blue when the right Quat levels are present in the bucket and on the towel. These Sertun towels change back to their original color when there i