16"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 11.75"H] Ceiling this access door delivers a 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
16"W X 10"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 17.75"W X 11.75"H] Ceiling this access door delivers a 4 X 12 Is CRFG2028 Width_14in this access door delivers a seamless finish that sits flushed with the wall & EN 13180 standards