Moldex 4800 AirWave N95 Plus Nuisance OV Disposable Respirator with SmartStrap, 8/DP, Standard, Grey (Pack of 8)

I keep one of these folded up in my right cargo pocket at all times. Blocks out probably 90% of bad smells. It has a carbon layer that filters out a lot of the smelly organic compounds. https://a.co/d/0jl9iUqq