10" X 20" or 20" X 10" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 11.75 X 21.75] Welding & Soldering including 11 external and 12 4 X 12 Is CRFG2028 Width_14in

including 11 external and 12 internal pockets

Our galvanized duct end boot is made of high-quality galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

actual front end outer dimensions are 11

+ Product Details Size - 28"w X 14"h X 2"d (for duct opening measurement only)

simplifying maintenance

10" X 20" or 20" X 10" Heavy Duty Floor Grille Fixed Blades Air Grille Brown [Outer Dimensions: 11.75 X 21.75] Welding & Soldering including 11 external and 12 4 X 12 Is CRFG2028 Width_14in including 11 external and 12 internal pockets Our galvanized duct end boot is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection