PTFE Pot Back Catalog number: A115-30 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended H 969-75 BOLA O-Rings for Flat Flanges, FEP, NW200 Price on request 936 COULTER COUNTER CUP (200 pcs) Price on request 8235P-4000 4Litre wide mouth bottle. Box of 6 Price on request