14"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 5.75"H] Color_R-8.0 Pink + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size – 14"w X 8"h is the size for the duct opening measurement only

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

+ Product Details Size - 26"w X 12"h is the size for the duct opening measurement only

and Centralized Air Ducted Units

14"W X 4"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 15.75"W X 5.75"H] Color_R 8.0 Pink + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size – 14"w X 8"h is the size for the duct opening measurement only Insulation – A thick blanket of fiberglass insulation provides you with an R Value of 8