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-9GPC General purpose carbon cold trap, TT24-7 Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request