10"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 25.75"H] Copper Coil Insulation density is 30kgs/cbm =

Insulation density is 30kgs/cbm = 0

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

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

This grill comes in four different designs

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

10"W X 24"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 25.75"H] Copper Coil Insulation density is 30kgs/cbm =+ Product Details Size 10"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 25. 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