Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended P-00010 VOC-Mole assembly, 230mm,pk10 Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request HEDNDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request