Affresh Washer Cleaner removes and prevents odor-causing residue that can occur in all brands of high-efficiency (HE) washers. Affresh cleaner is a formulated, slow-dissolve, foaming tablet that gets under residue, breaks it up and washes it away, leaving the washer smelling fresh and clean. Simply place one tablet in the wash basket (without clothes) and run a Normal Cycle (hot option) or Clean Washer Cycle. Affresh brand is environmentally friendly, safe on septic tanks and safe for all washer components. This package includes three tablets.