Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request