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-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-EZVOCAK Easy-VOC accessory pack Price on request