1) air filter / pocket filter / bag filter 2) non-woven fabric 3) galvanized aluminum frame 4) ... , automotive and food manufacturing industries. Introduction: this series of pocket filter using firm, leak-proof design, trilateral sealed to prevent retraction ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Bag Filter, pocket filter, air filter