24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] Compatible With Duct 12in + Product Details Size –

+ Product Details Size – 40"w X 20"h is the size for the duct opening measurement only

this model allows for mounting without removing the thermostat

Some of our best features aren’t readily apparent

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

24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] Compatible With Duct 12in + Product Details Size –+ 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. 875" width X 11. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was