12"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 26.75"H] Width_24in 3 * insulation density is

3 * insulation density is 30kgs/cbm = 0

or ceiling tiles – all locks open with the same key - door can be completely removed if needed

+ Product Details Size – 34"w X 22"h is the size for the duct opening measurement only

The adjustable and universal Nylon Belt ensures a comfortable fit for any waist

This 12" X 10" end cap is constructed with 26-gauge galvanized steel

12"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 26.75"H] Width_24in 3 * insulation density is+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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