Product DescriptionSimpleAir Clean Flow Tabs help prevent maintenance problems associated with overflows and subsequent water damage by treating condensate water and reducing the formation of algae and mold. The concentrated formula lasts twice as long as other brands, is biodegradable, non-toxic, and non-corrosive. Manufacturer part number: SACF-TABS. Made in the USA.From the ManufacturerSimpleAir Clean Flow Tabs help prevent maintenance problems associated with overflows and subsequent water damage by treating condensate water and reducing the formation of algae and mold. The concentrated formula lasts twice as long as other brands, is biodegradable, non-toxic and non-corrosive. Manufacturer part number: SACF-TABS. Made in the USA.