The SXT blade profile is the most economic; ultra-low noise solution. Suitable for a wide range of cooling applications, the SXT blade profile can be installed with up to six blades and can be 3,048 mm to 5,545mm in diameter. The SXT blade profile is suitable for both wet and dry cooling applications and offers high fan efficiency. The innovative blade design results in an extremely quiet fan (up to 15dB(a) quieter than a standard fan) while keeping the fan very light.