10"x 10" (Duct Opening Size) 3-Way Stamped Face Steel Ceiling/sidewall Air Supply Register - Vent Cover - Actual Outside Dimension 11.75" X 11.75" actual outsize overall dimensions is

actual outsize overall dimensions is 14“ wide by 6” high

The listed size 10" x 4" is for the inside duct opening measurement

5” wide by 5

actual outsize overall dimensions is 12''X12''

10"x 10" (Duct Opening Size) 3-Way Stamped Face Steel Ceiling/sidewall Air Supply Register - Vent Cover - Actual Outside Dimension 11.75" X 11.75" actual outsize overall dimensions isThe Listed size 10"x 10"is for inside duct opening measurement, actual outside dimension is 11. 75" X 11. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow Three Way Air Flow deflection Design Multi shutter damper with easy handle to adjust desired amount of air flow Individually shrink wrapped with card board pad in the back for extra protection