Ensure Continuous Ventilation Signage

8 inch (Width) X 10.6 inch (Height), 8 inch (Width) X 2.6 inch (Height), 12 inch (Width) X 16 inch (Height), 12 inch (Width) X 4 inch (Height), 18 inch (Width) X 24 inch (Height), 18 inch (Width) X 6 inch (Height)