FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDFEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T22117-2S Focusing trap, China Air 117, for for UNITY-xr, TD100-xr, Centri Price on request U-T10CW-2S Chemical Warfare agents cold trap Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request