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 T-7CUS cust packed cold trap, TT24-7 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request C-VAC-PIN Vacuum closure Pin Price on request