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 C-POD-S010 POD Sampler, pk 10 Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request