6" x 16" or 16" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper /* Adding space between bullet

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+ Product Details Size – 14" x 14" is the size for the duct opening measurement only

but you will appreciate the benefits over the period of time

75" width X 19

+ Product Spec Sheet Aluminum Return Grille Spec Sheet

6" x 16" or 16" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper /* Adding space between bullet+ Product Details Size 6" x 16" or 16" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 18. 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