Eppendorf O-RING 1AP12 for 30PC(B3)/(C3) bottles 5720411129

Eppendorf O-RING 1AP12 (catalog no. 5720411129) is an OEM replacement sealing ring for Eppendorf 30PC (B3) and 30PC (C3) centrifuge bottles. It serves as the cap-to-bottle O‑ring used with the wide-opening, screw‑style caps on 30 mL polycarbonate centrifuge bottles to provide a leak‑tight seal for storage and during centrifugation. The catalog number 5720411129 is listed by Eppendorf distributors as the replacement O‑ring for these 30 mL bottle assemblies.

Key Features:

• Manufacturer part number: 5720411129
• Compatibility: Eppendorf 30PC (B3) and 30PC (C3) bottles (30 mL)
• Product type: Replacement O‑ring / sealing ring for screw‑style bottle caps
• Material: EPDM (listed for Eppendorf O‑rings on distributor product listings)

Advantages:

• Restores the original leak‑tight seal of 30 mL centrifuge bottles for safe storage and reliable centrifugation.
• OEM Eppendorf part ensures correct fit and compatibility with B3/C3 bottle assemblies, avoiding ill-fitting aftermarket rings.
• Replacing worn O‑rings extends the service life of caps and bottles and reduces risk of sample loss.
• Available through Eppendorf authorized distributors as the specified replacement part.