Fit forNobicoair purifier j020/j021. Adding this filter net in front of theHEPAfilter net greatly extends the life of theHEPAfilter. Filter cotton 1. Protect people from harmful gas. The cold catalyst has a strong catalytic degradation function, which can degrade organic matter into carbon dioxide and water,and has the effect of killingEscherichiacoiland staphylococcus aureus.
