uxcell Manual Switch Water Change Cleaner Aquarium Cleaning Pump 1.9M Long Product Name : Aquarium Cleaning Pump;Total Length : 1.9M / 6.2Ft;Hose Diameter : 1.7cm/ 0.67" Two types of nozzle: shorter nozzle for drainage, longer nozzle for gravel cleaning Takes the waste out too while replacing the water Does not hurt any quarium fish when using Patented unique pum filter allows dirt in sand to be discharged a long with water Hand pump to initiate the siphone to start transferring liqued from one receptacle to another