美国pall7203石英滤膜90MM直径美国pall过滤膜Pallflex滤膜7204特别适合广泛的大气监测场合的***过滤膜，可用于高温和热气体的监测应用，很适合环境管理机构所要求的柴油和其他排放物测试。Tissuquartz过滤膜,2500QAT-UP72002500QAT-UP,25mm100/pkg72012500QAT-UP,37mm25/pkg72022500QAT-UP,47mm25/pkg71992500QAT-UP,54mm25/pkg71912500QAT-UP,60mm25/pkg71972500QAT-UP,63.5mm25/pkg71962500QAT-UP,64mm25/pkg72052500QAT-UP,82.6mm25/pkg71902500QAT-UP,83mm25/pkg72062500QAT-UP,85mm25/pkg71872500QAT-UP,87.5mm25/pkg72032500QAT-UP,90mm25/pkg71952500QAT-UP,100mm25/pkg72072500QAT-UP,102mm25/pkg72502500QAT-UP,110mm25/pkg72492500QAT-UP,115mm25/pkg72082500QAT-UP,125mm25/pkg72512500QAT-UP,142mm25/pkg72042500QAT-UP,8x10in.25/pkg美国PALL66149PTFE过滤膜0.45UM47MM66143、66149PALLPTFE过滤膜（有机相过滤膜）实物照PALLPTFE过滤膜（有机相过滤膜）66143：PALLPTFE膜，有机相过滤，0.2um，47mm，100片/盒66149：PALLPTFE膜，有机相过滤，0.45um，47mm，100片/盒美国颇尔PALL聚醚砜膜603000.2UM25MM美国颇尔PALL聚醚砜膜603000.2UM25MM)