18" x 18" Cube Core Eggcrate Return Air Grille Adjustable Return built for durability and long

built for durability and long life in mind

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

we have assisted countless contractors

+ Product Spec Sheet

18" x 18" Cube Core Eggcrate Return Air Grille Adjustable Return built for durability and long+ 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