This Maytronics Dolphin™ 9991443-ASSY Wave Disposable Filter Bag 10 Pack per Pack for Dolphin™ Wave 300 is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The filter bag traps unwanted debris, ensuring proper operation of the pool cleaner. Maytronics pool cleaners help keep your pool healthy and clean, which is of the utmost importance. Ensure that your pool cleaner is running as cleanly as possible with this certified genuine part.