DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: HEDNDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request M-MCHSS250I Sample pans for M-CTE250I, inert,pk 4 Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request