Filter Paper Kertas Saring | Whatman 1003-090 Descriptions : 9.0cm Diameter, Pore Size: 6µm Grade 3 Qualitative Filter Paper Used in qualitative analytical techniques to determine and identify materials Double the thickness of Grade 1; even finer particle retention and excellent loading capacity Extra thickness gives increased wet strength; makes this grade highly suitable for use in Buchner funnels Pack of 100 Manufacturer: Whatman/GE Healthcare Manufacturer Part No: 1003-090