Symbol 1118 from ISO 7000 - Title/Meaning: Ventilator, general 
Function/description: To identify the control or the indicator for the ventilator or its operation.
Own work using: iso.org/obp/graphics/grs/4cec1ebb-d5df-496c-bca2-430ee9843bff 200.png
Vectorization:  Mrmw