This Azer ES80352 ExacTip-L LTS Pipet Filter Tips 20µL Sterile / Case of 3840 is in new, unused condition and is guaranteed to be fully functional. These factory sealed tips came from a local lab that had surplus inventory. Please feel free to contact us with any questions. Quantity: 3840 (96/rack, 10 racks/pack, 4 packs/case) 20µL Azer LTS Pipet Filter Tips are manufactured from super clear high quality polypropylene. The surfaces of the tips are produced through a special process. This process makes the tip inner surface become super hydrophobic, thus significantly reduces sample loss and provides substantially higher reproducibility when working with critical media. The low retention tips provide minimal sample loss and have a barrier filter that prevents aerosol contamination. The tips are certified DNase/RNase, pyrogen and endotoxin free. Features: - LTS compatible - Low retention for optimal precision and minimal sample loss - Barrier filter to prevent aerosol contamination - Certified DNase/RNase/Pyrogen/Endotoxin Free Specifications: Volume: 20µL Material: Polypropylene