30" x 34" or 34" x 30" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe antique bronze

antique bronze

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 19 3/4" x 1"

+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

[Outer Dimensions: 50

30" x 34" or 34" x 30" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe antique bronze+ Product Details Size 30" x 34" or 34" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32. 5" X 36. 5". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing