36" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 20 5/8"] Color_R-4.2 Yellow 4" X 10" Brass Victorian Width_20in These won t hinder RFG1620 FBA

4" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

but still very thin

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height

or just adding updated elements to your current home

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

36" X 18" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 38 5 8" X 20 5 8"] Color_R 4.2 Yellow 4" X 10" Brass Victorian Width_20in These won t hinder RFG1620 FBA 4" X 10" Brass Victorian Floor Register Grille Modern Contempo Decorative Grate HVAC Vent Duct Cover Brass Plated but still very thin