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 and we recommend a rearward Compatible with Duct 4" Product Details Size 32 LO246

and we recommend a rearward tilt for your mini split unit to ensure maximum security

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

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Protection – Provides the ultimate defense against any kind of weather

Upgrade your system with our high-quality galvanized steel round duct

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 and we recommend a rearward Compatible with Duct 4" Product Details Size 32 LO246 and we recommend a rearward tilt for your mini split unit to ensure maximum security + Product Details Size 16"w X 20"h is the size for the duct opening measurement only