24" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face - White [Outer Dimensions: 26.5"w X 16.5"h] 24"w X 14"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 26.5" Width X 16.5" Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Easy Clean Healthy Air Flow Carefully shrink wrapped with cardboard backing to prevent damage in shipment Screws Included No Sharp Surface Edges