New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: NDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request T-7CUS cust packed cold trap, TT24-7 Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request