Features of Sport venues : Generally, these buildings are high space and adopt a steel grid structure with a poor load-carrying capacity. Meanwhile the air conditioning area is very large, so this requires a large range ventilation systemand also has certain requirement about air velocity. The advantages of DurkeeSox® air dispersion system: Symmetrical airflow with great comfort, multiple colors are available to be harmony with any indoor decoration, anti-corrosion and condensation free, save construction cost.