8" X 12" Or 12" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 13.75] 14" Round Duct Pipe + Product Details Size &

+ Product Details Size & Compatibilty - The 5" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 3"

With crimped ends for easy fitting and secure connection to consecutive duct joints

this bag can handle tough conditions

complete with a supplied key

8" X 12" Or 12" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 13.75] 14" Round Duct Pipe + Product Details Size &+ Product Details Size 8"w X 12"h or 12" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" width X 13. 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