Truaire 12 in. x Heavy Duty Floor Return Air Grille

12″w X 30″h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 14″ Width X 31.75″ Height – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Rigid Extra Heavy Duty to withstand constant walk on situations – Powder-Coat Finish – Smooth, Shiny, Beautiful. Looks Like It Was Just Waxed Quality Packaging – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment Smooth Surface Edges – Run Your Fingers Across The Surface To Feel The Smoothness Easy Unrestricted Air Flow For Your HVAC System How To Measure A Grille Overall Size: 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. Total outer size of this grille is; listed size +2″ at width and + 1.75″ at width.