Check the listing for details. Eppendorf 2-371 E3609-70 O-Rings (5 Pack). Condition: New – Open box. Listed at 25.50 USD. Eppendorf 2-371 E3609-70 O-Rings (5 Pack) Purchase will include everything pictured. Specifications: Head Plate/Base Plate O Rings for Stainless Steel Bottom Vessels For use with Celligen 310 and BioFlo 310 & 320 System Vessels Our business hours are Monday through Friday from 8:00 AM to 4:00 PM Eastern Time. If you have questions, offers, or any other concerns regarding a listing outside our normal business hours, please allow us to respond on the following business day. Any freight items will ship within 3 business days. If the shipment is damaged, please report to the driver immediately, or do not accept the shipment. Please contact us immediately for instructions. In the event you have any issues with your purchase, please contact AFAB first. Customer satisfaction is our highest priority. AFAB offers quality products and equipment that operate as intended, unless otherwise stated. We encourage you to review our feedback. rbb/bcl - R3 D2 P31sku - 003761