... post processing technologies, our superfine fiber features in high filtering efficiency, and low resistance. *Performance: ... clients demand.*Used in primary, medium, high-efficiency filter, air purifier, and dust collector.*Models and ParametersModelBasic Weight ... high efficiency filter, etc.ZF-MB110G1101.4> 99< 110H11ZF-MB120W1201.6> 99< 110H11ZF-MB120G1201.5> 99< 120H12 Meltblown fabric for hepa air ...