PTFE Pot Back Catalog number: A115-2200 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 3809 SYLICON CONICAL STOPPER - 30x21mm, h 30mm Price on request 839 BUCHNER DISCS, O 90mm (10 pcs) Price on request 613 SQUARE BOTTLES, 1000ml Price on request