The water outlet through side slats brings innovation to countercurrent units and top performance Kit made up of: • Countercurrent swimming unit with polished AISI 316 stainless steel front cover. • Illuminated piezoelectric push button. • Air-water return nozzle, flow rate of 25–50 m³/h adjusted from a variable speed drive and has a built-in suction system. • Suction grille of 30 m³/h made of polished AISI 316 stainless steel (2 units) • 5.5 cv pump 3~400 V • Power control cabinet • Flow rate of 25 to 50 m³/h • Maximum flow rates of 12 m/s at the unit’s outlet; 2.4 m/s 1 m away; 1.7 m/s 1.5 m away; and 1.5 m/s 2 m away.