PTFE Pot Back Catalog number: A115-240 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 1139 RED CONICAL STOPPER - 30x21mm, h 29mm Price on request 3808 SYLICON CONICAL STOPPER - 26x19mm, h 28mm Price on request 15881 BOTTLES NARROW NECK WITHOUT CAP PE, 1000ml Price on request