Symbol 3408 from ISO 7000 - Title/Meaning: Crankcase air/ventilation filter Function/description: To identify the filter for the air that flows into the engine crankcase. To indicate the operational status of the crankcase air/ventilation filter.
pay attention to orientation of symbol
Own work using: iso.org/obp/graphics/grs/f374fc4f-792b-4fc7-a34b-c6b5d4ea889c 200.png
Vectorization:  Mrmw