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] Compatible With Duct 8in 8" X 8"h Is The

8" X 8"h Is The Size For The Duct Opening Measurement Only

Built with rust-resistant aluminum and a scratch-resistant powder-coated finish

Actual Filter Size – 31 3/4"w x 21 3/4" x 1"

+ Product Details Size – Sheet metal duct board take off start collar is 6" and it is compatible with duct 6"

Designed with practicality at its core

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] Compatible With Duct 8in 8" X 8"h Is The+ 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