FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: FEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request