8" X 4" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 5.75"H] Color_R-8.0 Pink Actual Filter Size – 21 Product Details Size 14 Material_Anodized Aluminum LR164

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

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 25" OR 25" x 20" duct opening (measured at the opening)

Actual Filter Size – 11 3/4"w x 15 3/4" x 1"

+ Product Details Size - 32"w X 25"h is the size for the duct opening measurement only

8" X 4" [Duct Opening] 3 Way Air Vent Adjustable Aluminum Curved Blades Integral Multi Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 5.75"H] Color_R 8.0 Pink Actual Filter Size – 21 Product Details Size 14 Material_Anodized Aluminum LR164 Actual Filter Size – 21 3 4"w x 19 3 4" x 1" + Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille