Ergo Rapido is designed and built to last. However, with time, the filters will need to be replaced in order to maintain the cleaners performance. The filter is a high quality filter designed to fit your Ergo Rapido and to maintain its good performance. Changing the filter on a regular basis will provide your cleaner with a strong airflow and high suction power. The original filter will help you to maintain maximum dust pick up. The filter is easy to change and handle. It is also washable. Fits new Ergo Rapido EER73DB, EER73BP, EER73IGM, EER75STM, EER7GREEN, EER77SSM, EER77MBM, EER7ANIMAL, EER7ALLRGY, EER79SWM, ZB3301, ZB3311, ZB3323B, ZB3324BD, ZB3325B, ZB3302AK, ZB3314AK, ZB3320P, ZB3323BO, ZB3324B, ZB3324BP, EL2115A, EL2120A, EL2125A 2x filter