Code table: v_11_filter_type_and_size, , CODE,DESCRIPTION 100,GLASS-FIBER FILTER FINE MESH (GF/F) 101,Reeve Angel GF/F 984H 102,Whatman GF/F 25 103,Whatman GF/F 47 mm 104,Gelman GF/F 0.45u 105,Gelman GF/F 0.8u 106,Glass-Fiber Filter Coarse Mesh (GF/C) 107,Whatman GF/F 0.8-1.2u 200,MILLIPORE 201,HA Millipore 47 mm (pore size = 0.45 u) 300,NUCLEOPORE 301,Nucleopore >10 micron 302,Nucleopore 2-10 micron 303,Nucleopore <2 micron 400,PAPER FILTER 500,UNSPECIFIED FILTER-TYPE 501,>10 micron (unspecified type) 502,2-10 micron (unspecified type) 503,<2 micron (unspecified type) 900,COMBINATION FILTER-TYPES 901,Whatman GF/C and HA Millipore