Winner of NATIONAL AWARD 2017 from the President of India Manufactured with technical knowledge from IIT DELHI. Nasofilters Filters out Particulate Matter with 95% efficiency, protects from air pollution, dust and bad environment . Nearly invisible from a distance, no breathing resistance. Easy, comfortable and safe to use and wear, can be worn up to 12 hours.
H**E
Work without notice .....Discretely
Using BEFORE covid 19 from 2018 onward, those days these are not available on Amazon,Innovative approach by IIT KharagpurVery useful and UNDOUBTELY Effective.Using for full family
V**E
horrible
not breathable aka not usable
Trustpilot
2 months ago
1 month ago
