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The Tuttnauer Cleaning Indicators - High Level (#WTL198-0062 / 1000 per Box) are cards that are inserted into ultrasonic washing machines such as the Clean & Simple Ultrasonic Cleaner to determine if a cleaning was effective enough. It's recommended that these be purchased with the Tuttnauer Cleaning Indicator Holder (#WTL198-0085). They come with 1000 indicators per box, which is comprised of five bags with 200 indicators per bag.
Warranty: 1 Year - Free from Defects in Materials and Workmanship.
When exposed to certain level of enzimatic from using the Clean & Simple Ultrasonic/Enzymatic Tablets in the ultrasonic cleaner, these Indicators will show the effectiveness of the enzimatic fluid, as well as monitoring the overall effectiveness of the ultrasonic washing. It's recommended that these Indicators be used to routinely check the ultrasonic washer for proper functionality.