Condensate Pan Treatment, Solid, Size 30 tons Tablets, Color Yellow, Application Prevents Slime Growth and Clogs In Drain Pans, Eliminates Foul and Musty Odors, Non-Corrosive Corrosive, Non-Toxic Toxic, For Use With System Size 20 to 50 t, Characteristics 6 Months Lasting, Leaves No Residue