FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended P-CP010 VOC-Mole cap assembly,pk10 Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request