28"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 7.875"H] w10h10 Filter Size - 21

Filter Size - 21

this air supply register is ideal for sidewall and ceiling applications

Installation Location – Sidewall or ceiling

This versatile diffuser is adaptable to various airflow needs

For added protection

28"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 7.875"H] w10h10 Filter Size - 21+ Product Details Size 28"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 875" width X 7. 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