32"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 9.25"H] w24h24 + Product Details Size –

+ Product Details Size – 26"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 31 3/4"w x 23 3/4" x 1"

Do not measure the overall size of the access panel itself

Pre-flared ends with nuts are for simple and easy installation

32"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 9.25"H] w24h24 + Product Details Size –+ Product Details Size 32"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 33. 25" Width X 9. 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