8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe you can watch this informative

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

+ Product Details Size - 10"w X 32"h is the size for the duct opening measurement only

background: #5296DD

& EN 13180 standards

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe you can watch this informative+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 2" wider. High Quality High quality steel with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Heavy gauge steel. Heavier gauge than needed, built for durability and long life in mind, and yet lightweight and easy to handle. Noise free components no