Iso-Disc Syringe Tip Filter Unit Nylon membrane, pore size 0.45 μm, part diam. 13 mm, orange, pkg of 50 ea又名PK50 Iso-Disc N-13-4,NYLON,13MM X 0.45UM,和为MRO提供高品质的Iso-Disc Iso-Disc™ Syringe Tip Filter Unit Nylon membrane, pore size 0.45 μm, part diam. 13 mm, orange, pkg of 50 ea SUPELCO(色谱科) 54134-U - 和为MRO