4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated Fixed Blades Great emphasis has been invested

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

This simple adjustment reduces HVAC strain

positioning supply and return grills accordingly

no sharp edges

adds a touch of sophistication to any room

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated Fixed Blades Great emphasis has been invested4" X 12" Is The Size For The Duct Opening (floor vent hole) Measurement Only, Actual Front End Outer Dimensions Are 5. 5" X 13. 5" SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Solid Rigid Steel Body For Durability and Reliability Premium Plated Finish and Modern Contempo Design Forming a Luxurious Piece Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment Easy Unrestricted Air Flow For Your HVAC System 4" X 12" Brass