BALLOONS FOR GAS SAMPLING, 2Liters Back Catalog number: 1232 Availability: In the manufacturer's stock Price on request - + Recommended U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request H3-AXAAC HiSorb probe, PDMS/DVB, inert, standard length, pk 6 Price on request