These pipette tips are made from virgin polypropylene material and are precision molded for an airtight fit using state-of-the-art molds and molding methods to preserve non-wettability in the final product

• Natural
• Metal-free tips: All materials used in the manufacture of these tips are free of trace metals
• Sterile Tips: All sterile tips are sterilized in accordance with AAMI guidelines by gamma irradiation

Autoclavable Tips & Racks: pipette tips and racks are autoclavable at a recommended temperature of 120 °C at 15 pounds of pressure for 15 minutes.
Graduated Tips: Provides reference lines to allow a quick check of pipetting procedures by indicating nominal liquid volume in the tip. Beveled Orifice Tips: Reduces liquid retention. For use with but not limited to: Pipetman®, Costar® Onepette, Eppendorf®, Finnpipette®, Labpette™, MLA®, Nichiryo, Oxford-Benchmate®, Rainin EDP2™, Socorex®, Titertek® Digital, Volac, and GeneMate®.

A mold release agent is NOT used in the manufacturing of these pipette tips. A trace metal certificate is available upon request. Certified pipette Tips: Tested by an independent laboratory and certified to be RNAse-, DNAse-, and pyrogen-free. (Non-sterilized product is not certified as pyrogen-free.)