36"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 31.875"W X 7.875"H] 18in diameter Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 31 3/4" x 1"

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+ Product Details Size - 30"w X 24"h X 2"d (for duct opening measurement only)

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 10" or 10" x 6" duct opening (measured at the opening)

36"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 31.875"W X 7.875"H] 18in diameter Actual Filter Size – 33+ Product Details Size 36"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 875" width X 15. 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