25"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 26.75"W X 5.75"H] Filter Grille actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
25"W X 4"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 26.75"W X 5.75"H] Filter Grille actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 10 5 8" width X 10 5 8" height R Value Rating of Insulation R3