18″w X 30″h White RETURN AIR FILTER GRILLE HVAC Premium

18″w X 30″h White RETURN AIR FILTER GRILLE HVAC Premium. Easy Unrestricted Air Flow For Your HVAC System. The first number in the grille size represents the width, the second number represents the height. Removable Door/Face For Easy Filter Change & Cleaning – Uses a 1″ Thick Filter. 18″w X 30″h White RETURN AIR FILTER GRILLE HVAC Premium Brand 30″w X 18″h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 20-1/2″ Width X 32-1/2″ Height High Quality Solid Stamped steel – No Sharp Edges Easy To Use On Your Fingers And Requires No Screwdriver To Open. Removable Door/Face For Easy Filter Change & Cleaning – Uses a 1″ Thick Filter Powder-Coat Finish – Smooth, Shiny, Scratch-Resistant, Beautiful. Looks Like It Was Just Waxed Rigid Design – Noise Free Components – No Vibrating Louvers Etc. Easy Unrestricted Air Flow For Your HVAC System The first number in the grille size represents the width, the second number represents the height. 18 x 30 Is The Size For The Duct Opening Measurement Only Actual Outside Dimensions – 20-1/2″w x 32-1/2″h 2″ Depth Weather And Pest Proof Anodized Aluminum Rigid Always Open Vent With Back Mesh 3/16″ Mesh