12" X 14" or 14" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 15.75] 25 Feet Long + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 18" or 18" x 10" duct opening (measured at the opening)

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

Ensure the pump is properly secured to the mounting surface

With a 5-inch size

This 12" X 8" end cap is constructed with 26-gauge galvanized steel

12" X 14" or 14" x 12" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 13.75 X 15.75] 25 Feet Long + Product Details Perfect Fit+ Product Details Size 12"w X 14"h or 14" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 15. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation. Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully