Persil ProClean Intense Fresh discs are a single use laundry detergent disc in the convenient form of a pre-measured pac. With unique four chamber technology, the four chambers work together to provide an advanced deep clean, stain removal, fiber care, and fresh release technology for up to 100 days of freshness*. Persil discs are easy to use, just place the laundry pacs into your empty washing machine drum before adding laundry. Persil discs go deep into fabric, attacking tough-to-clean stains to deliver an exceptional deep clean and freshness for your laundry. Persil discs clean effectively in all water temperatures, including cold water, and work in all washer types, including high efficiency (HE) washing machines.*out of storage