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 U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request