24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 12" Collar Aluminum - Cube Core as the multidirectional design ensures

as the multidirectional design ensures consistent temperature control

+ Product Details Size - 8"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 32"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 21 3/4" x 1"

24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 12" Collar Aluminum - Cube Core as the multidirectional design ensures+ Product Details Size 24" x 24" with 12" collar T Bar drop ceiling perforated return grill metal back casing 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 Easy drop ceiling installation. Design Heavier gauge than needed, built for durability and long life in mind, but still