12"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 13.25"W x 5.25"H] return grille + Product Details Size &

+ Product Details Size & Compatibility – The 7" galvanized sheet metal straight transitioning duct boot is compatible with duct 7"

Our elbow couplings are constructed to be smooth and seamless to create a leak-proof connection

+ Product Details Size - 28"w X 12"h X 2"d (for duct opening measurement only)

Verify that the surface is stable and level to prevent vibrations and noise

SHARP SNIPS - Head

12"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 13.25"W x 5.25"H] return grille + Product Details Size &+ Product Details Size 12"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 13. 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