Handua Steel Return Air Grille Vent Cover Grill for Sidewall and Ceiling

Registers, Grilles & Vents by Handua. Details: * 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 24” wide by 18″ tall, order a 24×18. If the hole is 18″ wide by 24” tall, order an 18×24.