Totobobo 96% filter tested by Nelson Labs

Many customers asked if totobobo filter is effective against PM2.5, which is one of the most significant health threat of urban air pollution. In order to find out, we sent our filter to Nelson Labs to test. Nelson Labs is a highly reputable testing Laboratory in USA. It is recommended by NOISH for N95 respirator qualification test. The result of the lab test indicates that Totobobo 96% filter is very effective (99.85%) against very fine particles of 0.1 micron - twenty five times smaller that 2.5 microns.