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 SERLFP-5002 Spare charger, ACTI-VOC Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request T-11OP Ozone precursors trap, TT24-7 Price on request