Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request