I have 2 new 12x8 steel duct covers for sidewall or ceiling made by Metal-Fab, actual cover is 13.75 x 9.75. These are scratch-resistant powdered coated, model (MFRG128W), shrink wrapped with screws. These are $14 each on Amazon, asking $15 for both. Please text if interested @ (801) 638-8515.

12w X 8h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 13.75 Width X w X 9.75 Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE HIGH QUALITY Solid Stamped Steel Construction With Recessed Screw Holes (SCREWS INCLUDED) To Easily Install On Ceiling Or Sidewall QUALITY PACKAGING - Carefully Shrink Wrapped With Solid Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality HEAVY STEEL CONSTRUCTION - No Scuff Powder Coat Finish - Smooth, Shiny, Scratch-Resistant, Beautiful. Looks Like It Was Just Waxed UNRESTRICTED AIRFLOW For Your HVAC System - 50° Angled To Provide Maximum Airflow – ½ Inch Spaced Fins