Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-8MAT Materials emissions cold trap, TT24-7 Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request