20"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 9.75"H] Compatible With Duct 8in Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 34 5/8" width X 24 5/8" height

Why HVAC Premium

this piece is the perfect touch of class you need to add to your decor

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 36" or 36" x 12" duct opening (measured at the opening)

20"W X 8"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 9.75"H] Compatible With Duct 8in Actual Filter Size – 25+ Product Details Size 20"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" width X 9. 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 waxed.