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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
+ Product Details Size - 6"w X 20"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -
simplifying maintenance
Can be hooked up with our Butterfly Dampersfor precise airflow control
actual front end outer dimensions are approximately 20 5/8" width X 28 5/8" height
16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Grille 2-Way + Product Details Size -+ Product Details Size 16" x 30" or 30" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 31. 75". 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