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 TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request