20" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face - Black [Outer Dimensions: 22.5"w X 16.5"h] 20"w X 14"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 22.5" Width X 16.5" Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE High Quality Solid Stamped steel - No Sharp Edges Our Filter Grille Latch is Easy To Use On Your Fungers And Requires No Screwdriver To Open. Removable Door/Face For Easy Filter Change & Cleaning - Uses a 1" Thick Filter Why BLACK? Simple, Because Black Grilles Always Look Sharp And Never Show Dirt & Dust Marks