34"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 35.75"W X 37.75"H] w24h24 4" X 14" Is The

4" X 14" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Description Introducing our 18" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

Heavier gauge than needed

1/2" White insulation will give you a good R value of 3

Key Features:

34"W X 36"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 35.75"W X 37.75"H] w24h24 4" X 14" Is The+ Product Details Size 34"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 75" width X 37. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just