Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request