24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 6" Collar w26h26 + Product Details Size –

+ Product Details Size – 18"w X 26"h is the size for the duct opening measurement only

It comes with two versatile mounting base options—solid and ring—making installation simple and flexible

This aluminum adjustable louvered garage vent allows air ventilation and circulation in your garage 24 hours a day

Suitable for all AC applications

+ Product Details Size - 20"w X 22"h X 2"d (for duct opening measurement only)

24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - With 6" Collar w26h26 + Product Details Size –+ Product Details Size 24" x 24" with 6" 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