24"x18" Stamped Face Steel Return Grille Vent Cover White Poweder Coating Without Frame Outside Dimension 25.75"x19.75" actual outsize overall dimensions is

actual outsize overall dimensions is 16“ wide by 10” high

The outside or overall size is 2

The Listed size 10"x 8" is for inside duct opening measurement

Whether you prefer to leave it fully open for optimal airflow or close it off completely to redirect extra heat or air conditioning to other rooms

outside dimension is 13

24"x18" Stamped Face Steel Return Grille Vent Cover White Poweder Coating Without Frame Outside Dimension 25.75"x19.75" actual outsize overall dimensions isThe Listed size 24"x18" is for inside duct opening measurement, actual outside dimension is 25. 75"x19. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow Screws are included for easy installation White Powder coating with matte finish