20"W X 25"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 26.875"H] Compatible with Duct 10" Also suitable for securing around

Also suitable for securing around your bicep or forearm for additional convenience

Equipped with a lever to adjust airflow to your preference

85" width X 19

R Value Rating of Insulation - R3

+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

20"W X 25"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 26.875"H] Compatible with Duct 10" Also suitable for securing around+ Product Details Size 20"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 26. 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