Symbol 0499 from ISO 7000 - Title/Meaning: «Three-star» compartment 
Function/description: To identify a compartment in which the storage temperature does not exceed -18deg C.
Own work using: iso.org/obp/graphics/grs/038ac4f5-a01c-4b5c-b6c5-67a3859d8039 200.png
Vectorization:  Mrmw