12" x 24" or 24" x 12" Cube Core Eggcrate Return Air Grille Copper Coil 75" width X 25

75" width X 25

Pressure Rating: 2100 to 7000 PSI

+ Product Details Size – 2"w X 12"h is the size for the duct opening measurement only

R value rating of insulation - R3

12" x 24" or 24" x 12" Cube Core Eggcrate Return Air Grille Copper Coil 75" width X 25+ Product Details Size 12" x 24" or 24" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 25. 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