For cleaning pools with flat or slightly inclined bottom. suitable for in-ground and above pools equipped with filtration with a minimum power of 3/4hp. it has easy installation since it connects directly to the suction inlet or the skimmer. 100% hydraulic operation. thanks to this system it takes advantage of the suction power of the treatment plant to move randomly around the bottom of the pool. includes 8m hose (in 8 sections of 1m each) with ø38 adapter and flow regulator connection.hammer system.