FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request M-SPC15-120 Collar spacer, alum 15mm, for M-CTE120I,pk 6 Price on request M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request