Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended C-VAC-PIN Vacuum closure Pin Price on request T-TO15-KXR Focusing trap, Trace TO-15, for TT24-7 with Kori-xr Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request