Removes lime scale, soap scum, iron, and mineral stains from your washing machine and reduces abrasive build-up that is harmful to laundry and deodorizes. Recommended usage is once a month to ensure optimal cleaning and prevent build-up. Safe for all washing machine models. 12 oz. concentrate bottle. No. WM0612N: Size: 12 oz, Type: Concentrated Liquid, Number of Treatments: 3 uses, Pkg Qty: 1, Package Type: Bottle