Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request T-TO15-KXR Focusing trap, Trace TO-15, for TT24-7 with Kori-xr Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request