Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended C-CL010 Penclips, pk10 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