18" x 18" Cube Core Eggcrate Return Air Grille RV Mobile Home Each grille is carefully packaged

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only

professional look

5/8" - 2579 PSI

18" x 18" Cube Core Eggcrate Return Air Grille RV Mobile Home Each grille is carefully packaged+ Product Details Size 18"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 19. 75" height. High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter Grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location sidewall and ceiling. Design Cubic core eggcrate