PTFE Pot Back Catalog number: A115-30 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 1129 RED CONICAL STOPPER - 9x6mm, h 18mm Price on request 6401031 Stopper For Butyrometers Price on request 3829 CONICAL STOPPER 1 HOSE - 32x25mm, h 34mm Price on request