24"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 11.75"H] Insulated Line Set It has an outer surface

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

Elevate the performance and appearance of your ventilation system today

built for durability and long life in mind

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

24"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 11.75"H] Insulated Line Set It has an outer surface+ Product Details Size 24"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 11. 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