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 M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request T-8MAT Materials emissions cold trap, TT24-7 Price on request