Andrex Washlets Refill Pack Andrex Washlets are lightly moistened toilet tissue with a cotton fresh fragrance that when used alongside your regular Andrex toilet paper helps you feel extra clean & fresh. They are skin p H neutral & dermatologically tested so are kind to skin to keep you & your family feeling confident, fresh, clean & healthy. Andrex Washlets are designed to be flushable & biodegradable. They are tested to industry standard to confirm that they won't block sewage systems as they breakdown after flushing, although it is recommended that you flush a maximum of two wipes at a time & contact the manufacturer for guidance before use if you have a macerator toilet fitting or septic toilet. Andrex Washlets Refill Pack is designed to fit perfectly into the refillable tub.