10"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] 10" Round Duct Pipe our Butterfly Damper simplifies the Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

our Butterfly Damper simplifies the process of managing airflow

Designed with a ring base for flexible installation

+ Product Details Size – 28"w X 8"h is the size for the duct opening measurement only

75"H – fits a 10" X 8" duct opening

actual front end outer dimensions are approximately 24 5/8" width X 14 5/8" height

10"w X 6"h [Duct Opening] 1 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] 10" Round Duct Pipe our Butterfly Damper simplifies the Compatible With Duct 7in Applications This sheet metal DDAG A 1212 our Butterfly Damper simplifies the process of managing airflow Designed with a ring base for flexible installation