12"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 27.75"H] w25h25 + Product Details Size - CRFG2028 Width_14in 4 X 12 Is

+ Product Details Size - 20"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 24"h is the size for the duct opening measurement only

furnishing your modern dream home

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

12"W X 26"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 13.75"W X 27.75"H] w25h25 + Product Details Size CRFG2028 Width_14in 4 X 12 Is + Product Details Size 20"w X 30"h is the size for the duct opening measurement only + Product Details Size 12"w X 24"h is the size for the duct opening measurement only