Details: The Most Advanced, Battery-Powered Pool And Spa Vacuum Ever DesignedOther great features of the Pool Blaster Centennial include: Head and Throat Size of the MaxDebris-Catching Capacity up to 4X that of the Catfish, 2X that of the MaxIt has been assigned an overall cleaning Power Rating of 225 and includes a four piece pole set. Maximize your cleaning power with the Water Tech Pool Blaster Centennial with Pole. Working independently from your pool filter, this pool vacuum sucks up debris with ease using a powerful suction. Its large head and throat size allows it to hold plenty of debris. A filter cone filtration system captures fine particulates from the water while you clean. Large head and intake throat. Quickly removes debris. Glides through water with ease. Totally independent from main filter systems.