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-TDKIT-01 Essential TD Starter Kit Price on request FEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request