12"x12" 3-Way White Aluminum Square Ceiling Diffuser, Rust-Proof Ceiling Supply Grille

3 WAY Aluminum Supply Grille for 12x12 Duct Opening, White, Steel

1/2 inch spaced fins set at 40 degrees.
Primary use: Side wall and ceiling.
Screws are included with the system, standard.
Durable white powder coated.
Standard color is white (Ral9016).
Aluminum construction, last long, rust proof

HOW TO MEASURE A Grille
Always measure the size of the duct opening (the 'hole' in the duct/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.

Understanding Width & Height
In a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall/duct is 12 inches wide by 12 inches tall, order 12x12 option.

For this particular product you're viewing at the moment, the hole on your wall/duct opening should be 12x12 duct opening.

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