O-RING-234 For High Flow Damper Plate Back Catalog number: 1970-0234 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request SERZ-1076 Spare filter assembly, ACTI-VOC Price on request C-CL100 Penclips, pk100 Price on request