8" X 16" or 16" x 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 17.75] Height_22in hp-birdscreen-overlay') Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

hp-birdscreen-overlay')

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

ensuring a refined and seamless look

8" X 16" or 16" x 8" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 9.75 X 17.75] Height_22in hp birdscreen overlay') Compatible With Duct 7in Applications This sheet metal DDAG A 1212 hp birdscreen overlay') + Product Details Size 16"w X 20"h is the size for the duct opening measurement only