Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request