Cole-Parmer SamplePrep 6803S Replacement O-Rings – Fluorinated Silicone, for Large Grinding Vial Set 61043-10 Durable Sealing O-Rings for Cryogenic Grinding Vial Integrity The Cole-Parmer SamplePrep 6803S Replacement O-Rings are designed to maintain a secure, contamination-resistant seal in Freezer/Mill® Large Grinding Vial Sets (61043-10). Made from fluorinated silicone, these O-rings offer excellent chemical resistance, cryogenic durability, and reliable performance in demanding sample preparation workflows. Each pack includes 10 replacement O-rings, compatible with end plugs 61034-67, ensuring proper fit and sealing integrity during cryogenic grinding, tissue disruption, and polymer analysis. Key Features: Product Type: Replacement sealing O-rings Material: Fluorinated silicone Compatibility: Large Grinding Vial Set 61043-10 End plugs 61034-67 Quantity: Pack of 10 Use Case: Maintains seal integrity during cryogenic grinding Chemical Resistance: Excellent Temperature Resistance: Suitable for liquid nitrogen conditions Applications: Cryogenic sample prep Biological tissue grinding Polymer and pharmaceutical analysis