| Cat # | Volume | Features | Length，mm | Unit |
| AT23-0020S | 20μl | Clear, filtered,sterilized | Standard（35.35） | 96 Tips/Rack, 24 Racks/Case |
| AT23-0020CS | 20μl | Conductive, filtered, sterilized | Standard（35.35） | 96 Tips/Rack, 24 Racks/Case |
| AT23-0050S | 50μl | Clear, filtered,sterilized | Standard（58） | 96 Tips/Rack, 24 Racks/Case |
| AT23-0050CS | 50μl | Conductive, filtered, sterilized | Standard（58） | 96 Tips/Rack, 24 Racks/Case |
| AT23-0200S | 200μl | Clear, filtered,sterilized | Standard（58.5） | 96 Tips/Rack, 24 Racks/Case |
| AT23-0200CS | 200μl | Conductive, filtered, sterilized | Standard（58.5） | 96 Tips/Rack, 24 Racks/Case |
| AT23-1000S | 1000μl | Clear, filtered, sterilized | Standard（95.5） | 96 Tips/Rack, 16 Racks/Case |
| AT23-1000CS | 1000μl | Conductive, filtered, sterilized | Standard（95.5） | 96 Tips/Rack, 16 Racks/Case |
All available: Clear/black conductive tips, with/out filters, sterile/non-sterile, low-retention/non low-retention.