14"W X 12"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 15.75"W X 13.75"H] 6in diameter + Product Details Size –

+ Product Details Size – 24" x 24" with 12" collar T-Bar drop ceiling perforated return grill - metal back casing

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Looks like new after years of use

actual front end outer dimensions are approximately 34 5/8" width X 27 5/8" height -

+ Product Details Size - 10"w X 10"h is the size for the duct opening measurement only

14"W X 12"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 15.75"W X 13.75"H] 6in diameter + Product Details Size –+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are 15. 75" width X 13. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a