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 C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request