12"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 12.25"W x 7.25"H] tool bags + Product Details Size -

+ Product Details Size - 20"w X 12"h X 2"d (for duct opening measurement only)

The first number in a access panel size represents the width

color: #222

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 16" or 16" x 8" duct opening (measured at the opening)

Installation Location – Suitable for both sidewall and ceiling installation

12"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 12.25"W x 7.25"H] tool bags + Product Details Size -+ Product Details Size 12"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 13. 25" Width X 7. 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