28"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 19.875"H] Return actual front end outer dimensions

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

this HVAC vent duct cover ensures durability and reliability

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Actual Filter Size – 13 3/4"w x 31 3/4" x 1"

28"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 19.875"H] Return actual front end outer dimensions+ Product Details Size 28"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 875" width X 19. 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