Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request