These universal pipette tips are manufactured from high-purity, medical-grade virgin polypropylene, ensuring the highest quality and performance for your liquid handling tasks. Their design features a smooth, hydrophobic inner surface produced by diamond-polished molds, which significantly reduces sample retention. Packaged economically in bulk resealable bags, these tips are free from contamination and dust, providing a reliable and cost-effective solution for daily laboratory work. Key Features & Benefits High-Purity Material: Made from ultra-pure USP Class VI certified virgin polypropylene, free from heavy metals and plasticizers. Low Retention: The diamond-polished mold creates an extremely smooth surface, ensuring minimal sample loss and saving costly reagents. Certified Pure: Guaranteed free from DNase, RNase, pyrogens, and PCR inhibitors, making them suitable for sensitive applications. High Optical Clarity: The transparent material provides excellent visibility for easy confirmation of sample volume. Economical Bulk Packaging: Supplied in convenient, resealable zip-lock bags, offering a cost-effective solution for high-usage labs. Autoclavable: The tips can be fully autoclaved for sterile applications.