Canadian Spa 19ft St. Lawrence Swim Spa – TurboWave River Flow System with Rolling CoverThe Canadian Spa 19ft St. Lawrence Swim Spa with TurboWave River Flow System gives you a full length swimming lane and a dedicated hydrotherapy zone in a single unit, designed for year round outdoor use in the UK. The TurboWave current system produces a wide, smooth, adjustable flow across the full width of the swim channel. You can dial the resistance up for serious endurance training or back for low impact rehabilitation making it practical for the