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 NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request TDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request