Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: TDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended H1-AXABC HiSorb probe, inert, short, pk/6 Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request