康宁corning 431411 SQUARE GLASS FIBER PREFILTER, 49.5MM, FOR THE 250ML FUNNEL,NS,BK,100/100 100个/包

康宁corning 431411 SQUARE GLASS FIBER PREFILTER, 49.5MM, FOR THE 250ML FUNNEL,NS,BK,100/100 100个/包 1包/箱 974.58