This high-tech Pond Vacuum quickly cleans pond bottoms and sides, pulls heavy muck from between stones, and even removes difficult string algae. You can vacuum continuously thanks to the two-chamber system ??? one chamber empties while the other fills. Four specialized nozzles clean pond bottom, dirt from between stones and plants, and even get rid of hard-to-remove string algae Two chamber-system for continuous vacuuming A check valve prevents sludge from returning to the pond The six-foot boom cleans ponds up to 12 feet wide Includes six-foot handle, four nozzles, discharge net and tool rack 16-foot suction hose with a maximum suction height of 7 feet Built-in wheels for easy movement and transport Debris collection bag included Designed and built in Germany 27" H x 15" W 110-volt motor 13' power cord