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 DEV21_0.5L Devex bag with PC valve, 0,5L Price on request M-SPC15-250 Collar spacer, alum 15mm, for M-CTE250I,pk 4 Price on request P-CP001 VOC-Mole cap assembly,pk 1 Price on request