This Maytronics 9991440-R2 Small Disposable Filter Bag 2 Pack for use with Advantage, 3001, 2X2, HD, PROX2, Wave 100, Wave 50 ,DX5, 2002, Sprite Pool Cleaners is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The filter bag collects unwanted debris, helping ensure proper operation overall. 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.