4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated Color_White R value rating of insulation

R value rating of insulation - R3

this grill will provide the design aesthetic you're looking for

Our coils have a a very high PSI burst pressure

+ Product Description This aluminum flex duct is intended to be used in heating

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated Color_White R value rating of insulation4" 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