... -NELSON lab ,NOISH ,TSI-8130 tester Meltblown nonwoven air filterwe have approval of NELSON LAB and NOISH .CommodityMelt ... pull,anti-bacteria, high tensile strength ,chemical resistant breathable,air permeable,absorb oil & alcohol non-toxic,non-musty,anti ... cover 4,battery ,wipes for machine,shopping bag 5,warmth retension, noise isolation 6,superior absorbency,industrial micro-dust ...