Plink's Washer Dishwasher Freshener and Cleaner tablets deodorize and clean clothes washers and dishwashers without any phosphates or bleach. Proudly made in America, this innovative enzyme-based formula is powerful and effective in cleaning and deodorizing machines. The powerful effervescent action fizzes away foul odors and removes buildup and residue hidden inside the machines. Regular use helps maintain clear drains to prevent future clogs and refreshes the entire room with a pleasant lemon scent. This specially formulated enzyme drain cleaner is the easiest way to clean and freshen washing machines and prevent clogs! It contains no phosphates and is safe for drains, pipes, and septic.