... :alkali resistant 5application:home-used KCFC4-004:Dust cleaner @Applications: It applies to dust lead filtration of various kinds of home ... Features:1.High filtering precision, could effectively remove almost larger dust, particles and hair in the air;2.It adopts PET ... , water resistant, fire prevention and antistatic properties;5.Large dust-holding amount, low airflow resistance, long using life.