Note: The product images may not accurately reflect if the grille comes with mounting holes or not. Please refer to the information below for further confirmation. Features: Utilize this grille as the perfect finishing touch to any vent Designed to only be installed over a floor vent Constructed from aluminum for a durable product that will last for years Coordinates with the Scroll Collection Covered under a limited No mounting holes included Optional louver attachment for controlling air flow is available (see model number 414, sold separately) Specifications: Duct Size: 12" x 2-1/4" Outside Length: 14" Outside Width: 3-1/2" Installation Location: Floor Screw Mounting Holes Included: No Heat Approved: Yes Material: AluminumProduct Variations: 414-AH: 12" x 2-1/4" Aluminum Grille with Mounting Holes 414-BH: 12" x 2-1/4" Brass Grille with Mounting Holes 414-H: 12" x 2-1/4" Cast Iron Grille with Mounting Holes 414-Anh (This Model): 12" x 2-1/4" Aluminum Floor Grille without Mounting Holes 414-BNH: 12" x 2-1/4" Brass Floor Grille without Mounting Holes 414-NH: 12" x 2-1/4" Cast Iron Floor Grille without Mounting Holes