Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 2 Coned - 24" x 24" - For 12" Vent Connection w36h36 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 26"w X 26"h X 2"d (for duct opening measurement only)

Rigid Steel Construction: Built with strong and sturdy steel

+ Product Details Size - 14"w X 6"h X 2"d (for duct opening measurement only)

Plastic Frame

+ Product Details Size - 12"w X 22"h is the size for the duct opening measurement only

Drop Ceiling HVAC Supply Grille For T Bar Lay In 2 Coned 24" x 24" For 12" Vent Connection w36h36 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 26"w X 26"h X 2"d (for duct opening measurement only) Rigid Steel Construction: Built with strong and sturdy steel