14" X 6" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 7.75"H] fixed bar + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 20" duct opening (measured at the opening)

Actual Filter Size – 21 3/4"w x 19 3/4" x 1"

+ Product Details Size – 24" Wooden Corner Baseboard Grille

actual front end outer dimensions are approximately 36 5/8" width X 24 5/8" height

Actual Filter Size – 31 3/4"w x 25 3/4" x 1"

14" X 6" [Duct Opening] 3 Way Air Vent Adjustable Aluminum Curved Blades Integral Multi Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 7.75"H] fixed bar + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 10" x 20" duct opening (measured at the opening) Actual Filter Size – 21 3 4"w x 19 3 4" x 1"