Maytronics 9991440-ASSY Dolphin Wonder Disposable Bag - (Pack Of 5). This is the "wonder bag" which is a disposable bag used in place of the standard bag. The bag is designed to last for 3 cleaning cycles and is used to prevent having to clean the standard bag after each use. Once the bag has finished it's 3 cycle lifetime, it's disposed of and replaced with a new bag.
