24"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 19.875"H] Compatible With Duct 10in Its generous size and universal

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

+ Product Details Size - 8"w X 6"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 31 3/4" x 1"

+ Product Details Outer dimensions: – fits a duct opening

These are airflow control components made to connect to supply grilles of the drop ceiling

24"W X 18"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 19.875"H] Compatible With Duct 10in Its generous size and universal+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 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