1-may-2018
pollution-safe-nasal-filter-scented-jasmine-or-aromatic oil
Use nasofilter of IIT-delhi product + dipped in required aromatic oil - like jasmine, sandalwood, cinnamon etc for pleasant healthy outdoor travel in polluted areas.
Refer
Nasofilter:
https://www.youtube.com/watch?v=LuvQi_P2ITI
11 Aromatic oil benefits:
https://www.huffingtonpost.in/entry/scents-and-wellbeing_n_5193609