Rubber Stopper, Natural Rubber Septum Stopper Fit for Lab - StonyLab
PTFE/Pharma Rubber Septum for 4 & 5 mm Tubes, Pk/36 - ATS Life Sciences Wilmad
ACE GLASS 9096-243 Rubber Septa for 14/20 mm OD Tubing, Red (Pack of 144): Amazon.com: Industrial & Scientific
File:Rubberseptum.jpg - Wikipedia
Rubber Septum Cap Supplier & Trader in Bangalore,Karnataka,India
Chemglass CG-3022-06 Rubber Sleeve Type Septum Stopper for 14/20-14/35 Outer Joints, Red Color (Pack of 100): Science Lab Rubber Stoppers: Amazon.com: Industrial & Scientific
Silicone Rubber Septum for joints -B.J.Scientific Company, Mumbai
Ace Glass, Inc. Septa, white rubber, sized for 14/20 joints, pk/72, Quantity: | Fisher Scientific
White rubber septum 24/40 stopper for sale. Buy from The Science Company.