A casual conversation about varroa mite treatments, oxalic acid vaporization safety, winter colony feeding, hive insulation and more with North Carolina Beekeeper Greg Rogers.

Thank you for contacting 3M regarding respiratory protection against Oxalic Acid. Suggest the #60921 (organic vapor/P100) cartridge for this application. Refer to the 3M selection guide link below as a reference:
https://multimedia.3m.com/mws/media/6...
Personal Safety Division Technical Service
Techline 18002434630