Molecular BioProducts 3721-HR, MBP 20L Pipet Tip HR Sterile (RT-L10S), 10 Racks of 96 Tips/Unit - 10-232HR | Genesee Scientific Molecular BioProducts 3721-HR, MBP 20L Pipet Tip HR Sterile (RT-L10S), 10 Racks of 96 Tips/Unit - 10-232HR | Genesee Scientific