Used in commercial/industrial applications where metal grille is required by code * Includes mounting springs which snug the grille against fan body * For: FV-05VK1, FV-08VK1, FV-08VKS2, FV-13VKS2, FV-05VQ3, FV-08VQ3, FV-11VQ3, FV-15VQ4, FV-05VF2, FV-08VF2, FV-11VF2, FV-05VS1, FV-08VS1, and FV-10VS1 * Pattern: grid with a 3-Inch solid border and white finish * Made with light weight metal