14" X 24" Or 24" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 25.75] 8in diameter + Product Details Size –

+ Product Details Size – The size of 8" straight saddle stick on take-off is 12"/14" and it is compatible with duct 8"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 20" OR 20" x 32" duct opening (measured at the opening)

+ Product Spec Sheet Floor Register Spec Sheet

+ Product Details Size – 20"w X 40"h is the size for the duct opening measurement only

+ Product Details Size & Compatibilty - The 7" to 5" round metal pipe reducer & increaser 30 gauge is compatible with duct 7" to 5"

14" X 24" Or 24" X 14" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 15.75 X 25.75] 8in diameter + Product Details Size –+ Product Details Size 14"w X 24"h or 24" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 25. 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