Pro-Treat&reg; PT-200 Drain Pan Treatment &ndash; 200 Tablets / Jar Helps Maintain Clear Drain lines Helps Prevent Pan Overflow and Water Damage Stops Fungi & Algae Growth in Pans and Drain Lines Simple, ready to use tablet makes dosing easy Supersedes / Replaces: PT200 , PT217 , ProTreat217 , Hydrex 68115 , Pro-Treat 200 Wagner Pan Tabs , Trane DTR031320 , CHM00469 , CHM0469 , CHM-0469 , 4296-60 , CHM00297 , CHM0297 , CHM-0297 , CHM00554 , CHM0554 , CHM-0554 and many other Pan Tablet Products.