20" X 12" Or 12" X 20" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 21.75 X 13.75] w12h12 + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
+ Product Details Size - 8" X 8" is the size for the duct opening measurement only
+ Product Details Dimensions – [Leg: 18" High] [Arm: 25
remove('hp-open')
C (Common): Black
How To Measure A Grille
20" X 12" Or 12" X 20" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 21.75 X 13.75] w12h12 + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 8" X 8" is the size for the duct opening measurement only + Product Details Dimensions – [Leg: 18" High] [Arm: 25