32"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 5.25"H] Height_12in + Product Details Perfect Fit

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

getting new filters is a breeze

+ Product Details Size - 20"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Compact and Secure Design - Measures 3-7/8" wide x 3-1/2" high x 3" deep

32"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 5.25"H] Height_12in + Product Details Perfect Fit+ Product Details Size 32"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 33. 25" Width X 5. 25" Height. Design Designed for concealed, flush placement on your wall with a 3 8 inch space between louvers, this linear grille comes with an installation frame and clips for easy hook in assembly, ensuring a refined and seamless look. High Quality Aluminum The premium durable aluminum will never rust and it will never