20" x 4" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 22w X 6"h] 10" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

Durable and Long-Lasting – Built with high-impact clear plastic and premium materials for dependable performance

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

20" x 4" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 22w X 6"h] 10" Diameter actual front end outer dimensions+ Product Details Size 20"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are 22" width X 6" height. Design 180 degrees double direction adjustable fins are manually adjustable individually for optimal air distribution. High Quality Commercial grade aluminum will never rust designed for warehouses, factories, workshops, gymnasiums & restaurants Airflow Easy unrestricted airflow for your HVAC system.