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 U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request P-CP001 VOC-Mole cap assembly,pk 1 Price on request HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request