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The US9 Respirator Mask’s protection costs Rs 13 per day, with a filter change for fresh use. The US9 has filtration rates considered better than N95 standards. The mask, along with 10 complementary filters, costs about ₹499.
Also, as reported by Deccan Herald, The filtration for the filter cartridges in the respirator was certified by the South India Textile Research Association (SITRA), a National Accreditation Board for Testing and Calibration Laboratories designated agency for particulate and bacterial filtration testing in India
US9 Respirator Mask is in tune with the ‘Make in India’ and ‘Atmanirbhar Bharat’ aspirations