8"x 8" (Duct Opening Size) 4-Way Stamped Face Steel Ceiling/sidewall Air Supply Register - Vent Cover - Actual Outside Dimension 9.75" X 9.75" actual outside dimension is 21

actual outside dimension is 21

Constructed with steel with step down structure

Individually packed with card board box for ultra protection

reliable performance that enhances your home

8"x 8" (Duct Opening Size) 4-Way Stamped Face Steel Ceiling/sidewall Air Supply Register - Vent Cover - Actual Outside Dimension 9.75" X 9.75" actual outside dimension is 21This steel stamp faced register is for sidewall or ceiling applications. The listed size 8"w X 8"h is for duct opening measurement only. Actual outside overall dimensions is 9. 75" wide by 9. 75" high. Difference between "inside" and "outside": Inside (duct opening) is the measurement you can see after taking the vent off the wall or ceiling. "outside" measurement is the surface you can see after the installation. Size selection guide: 1) take the