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-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request C-VAC-FULL-ARR-KI Vacuum SPME Arrow Full Starter Kit Price on request