20"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 31.75"H] w14h14 Versatile Compatibility: Our ceiling grills

Versatile Compatibility: Our ceiling grills aren't limited to just T bar drop ceilings

+ Product Details Size – 10" x 36" or 36" x 10" is the size for the duct opening measurement only

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

+ Product Details Size – 12"w X 26"h is the size for the duct opening measurement only

4" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

20"W X 30"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 31.75"H] w14h14 Versatile Compatibility: Our ceiling grills+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 31. 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