Affresh Washing Machine Cleaner tablets are formulated to eliminate odour-causing residue from deep within your machine. These time-release tablets dissolve slowly during the wash cycle to clean the pump, valve, tub, drum, and filter. Recommended for monthly use, they are compatible with all washing machines, including HE models, and are safe for septic systems. Each package contains three 40g tablets, totaling 120g, to help keep your appliance fresh and clean.