Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request T-9GPC General purpose carbon cold trap, TT24-7 Price on request SERZ-1097 Spare tube assembly, ACTI-VOC Price on request