72×48 91 – 45 Degree Single Deflection Heavy Duty Gymnasium Grille with 3/8″ Blade Spacing, Mounting Frame, Surface Mount, Steel

The 90 Series Heavy Duty Return Gym Grille features a fully welded border and mandrel tubes that support the blades to prevent damage, making them ideal for heavy duty applications. The 90 Series is specifically designed for applications such as gymnasiums, factories, warehouses, heavy traffic corridors and any general public area where durability is essential.