Symbol 2620 from ISO 7000Title/Meaning/Referent: Humidity limitation
Function/description: To indicate the acceptable upper and lower limits of relative humidity for transport and storage.
https://www.iso.org/obp/graphics/grs/b58d0269-5534-4458-b5f2-7de7e44191f6_200.png
Vectorization:  IngenieroLoco