H2S cold trap, UNITY 2/xr Back Catalog number: U-T14H2S-2S Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request