12"w X 6"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] w18h18 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

+ Why Hvac Premium HVAC Premium has been providing superior quality service for many years

Design – Individually adjusting curved blades

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

12"w X 6"h [Duct Opening] 3 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] w18h18 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 8"w X 8"h is the size for the duct opening measurement only All steel wire is applied between PET surfaces to prevent corrosion (oxidization)