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 T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request