Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1097 Spare tube assembly, ACTI-VOC Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request