20"W X 32"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 33.75"H] w18h18 875" width X 21 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
875" width X 21
Looks like it was just waxed
providing efficient performance of up to 300m3/h
+ Product Details Size - 16"w X 22"h is the size for the duct opening measurement only
this grill will provide the design aesthetic you're looking for
20"W X 32"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 21.75"W X 33.75"H] w18h18 875" width X 21 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 875" width X 21 Looks like it was just waxed