Drop Ceiling HVAC Supply Grille - For T-Bar Lay-In - 3 Coned - 24" x 24" - For 14" Vent Connection - Black 6" Round Duct Pipe actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

actual front end outer dimensions are approximately 34 5/8" width X 16 5/8" height

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

+ Product Details Size – 28"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 24"h is the size for the duct opening measurement only

Drop Ceiling HVAC Supply Grille For T Bar Lay In 3 Coned 24" x 24" For 14" Vent Connection Black 6" Round Duct Pipe actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 27 5 8" width X 34 5 8" height actual front end outer dimensions are approximately 34 5 8" width X 16 5 8" height