Description Dimension Part No. 0.25 mm ID (kit consists of products below) KG0-8237 MultiResidue MR-1 Column 30 meter x 0.25 mm x 0.25 μm df 7HG-G016-11 MultiResidue MR-2 Column 30 meter x 0.25 mm x 0.20 μm df 7HG-G017-10 Z-Guard 5 meter x 0.25 mm 7AG-G000-00-GZ0 Universal Capillary Column Y-connector, Borosilicate AG0-4717 0.32 mm ID (kit consists of products below) KG0-8238 MultiResidue MR-1 Column 30 meter x 0.32 mm x 0.50 μm df 7HM-G016-17 MultiResidue MR-2 Column 30 meter x 0.32 mm x 0.25 μm df 7HM-G017-11 Z-Guard 5 meter x 0.32 mm 7AM-G000-00-GZ0 Universal Capillary Column Y-connector, Borosilicate AG0-4717 0.53 mm ID (kit consists of products below) KG0-8239 MultiResidue MR-1 Column 30 meter x 0.53 mm x 0.50 μm df 7HK-G016-17 MultiResidue MR-2 Column 30 meter x 0.53 mm x 0.50 μm df 7HK-G017-17 Z-Guard 5 meter x 0.53 mm 7AK-G000-00-GZ0 Universal Capillary Column Y-connector, Borosilicate AG0-471