14"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 15.875"H] Aluminum Bar 3 * insulation density is

3 * insulation density is 30kgs/cbm = 0

+ Product Details Size – 10"w X 6"h is the size for the duct opening measurement only

Measure the size of the air duct/drywall opening

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

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14"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 15.875"H] Aluminum Bar 3 * insulation density is+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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