The seeds of Azadirachta indica—AKA Indian lilac, neem tree, or margosa—contain a useful natural product called neem oil.
The seeds of Azadirachta indica—AKA Indian lilac, neem tree, or margosa—contain a useful natural product called neem oil.
The United States National Institute for Occupational Safety and Health certifies filters as N95 when they can block 95% of airborne particles larger than . 3 microns across.
