New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: HEDNDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request