The commercial grade St. John AR (Adjustable Resistance) Fluid Rower by First Degree Fitness is designed and engineered by professional rowers and craftsman using only the highest degree of quality components - ensuring complete satisfaction in function, performance, and reliability. With its patented Fluid Technology, First Degree Fitness has incorporated the truest emulation of sensation, sight, and sound of real on-water rowing captured in the private setting of your own home. With its robust and durable construction, the St. John AR Fluid Rower inspires confidence and challenges even the fittest of rowers and its unique Direct Drive design ensures that all you feel, hear, and see is water churning through the high density and resilient tank. This full commercial model is instantly adaptable to each individual and allows the user to control and adjust the 16 levels of variable fluid resistance from "Feather light" to "Olympic sprint" delivering a silky smooth resistance to the user's effort and instantaneous response to input with no "flat sport". With water resistance being the most accurate manner in which to simulate actual outdoor rowing, the St. John AR Fluid Rower provides a smooth and consistent sensation throughout the range of motion of the exercise experience.