36"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 37.875"W X 7.875"H] 14" Diameter + Product Details Size -

+ Product Details Size - 30"w X 8"h Is The Size For The Duct Opening Measurement Only

Actual Filter Size – 23 3/4"w x 11 3/4" x 1"

Perfectly suited for both residential and commercial use

Can be hooked up with our Butterfly Dampersfor precise airflow control

please note that the total outer dimensions of the grille measure 16" in diameter

36"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 37.875"W X 7.875"H] 14" Diameter + Product Details Size -+ Product Details Size 36"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 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