12 X 12 Duct Opening | 3 WAY Steel Air Supply Diffuser for Sidewall and Ceiling

12"W x 12"H [Duct Opening Measurements] 3 WAY Steel Air Supply Diffuser | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 13.75"W X 13.75"H for 12x12 Duct Opening

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

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.

Click the 'Add To Cart' button now to order your Air Supply Grille!