<b>10w X 6"h Never Rust Plastic 3-Way Air Supply Register - HVAC Vent Duct Grille - Off White</b><br><b>10"w X 6"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 11.75" Width X 7.75" Height - SEE BELOW IN DESCRIPTION How To Measure A Grille<br></b><br><br><br>You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of you air system. <br> These grilles and registers give you an extra measure of quality that are visible to your family members and house guests. <br> <br> <b>Never Rust ABS Plastic</b> is your best bet for longevity. This will never rust, and is very easy to clean. <b>Every part is hand inspected for quality before it is packaged, no exceptions.</b> <br> <b>No Sharp Surface Edges.</b> Just run your finger along the edge of the top plate and you will find a smooth finished surface. <br> <b>Rigid Gauge ABS Plastic.</b> Rigid gauge built for durability and long life in mind, but still light and handy.<br> <b>Powder-Coat Finish</b> - Smooth, Shiny, Scratch-Resistant, Beautiful. Looks Like It Was Just Waxed<br> <b>Quality Packaging</b> - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment<br> <b>Easy Unrestricted Air Flow For Your HVAC System</b><br><br><br> How To Measure A Grille<br></b><br> <b>Overall Size:</b><br> Measure the size of the air duct/drywall opening. Do not measure the overall size of the register itself, only measure the "hole" in the wall/duct. Every grille has a front end frame, that will overlap at wall joint.<br> Total outer size of this grille is; listed size +1.75".<br><br> <b>Width vs Height</b><br> The first number in a grille size, represents the width, the second number represents the height. Example: If your hole is 20" wide by 14" tall, order a 20x14. If your hole is 14" wide by 20" tall, order a 14x20.