24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 10 "Collar return grille 24"w X 6"h Is The

24"w X 6"h Is The Size For The Duct Opening Measurement Only

making it compatible with most thermostat models

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 14"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 25 3/4" x 1"

24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 10 "Collar return grille 24"w X 6"h Is The+ Product Details Size 24" x 24" with 10" 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