Gas collecting tubes made of borosilicate glass, DURAN®, with 2 PTFE valves and side threaded stubs complete with cap and septum for piercing to remove gas, with our without plastic coating. | Volume
ml | Valve passage
mm | Version | Order No. | | 125 | 0 – 3 | without plastic coating | 13 40 99281 | | 250 | 0 – 3 | without plastic coating | 13 40 99361 | | 500 | 0 – 3 | without plastic coating | 13 40 99441 | | 1000 | 0 – 3 | without plastic coating | 13 40 99541 | | 125 | 0 – 3 | with plastic coating | 13 40 99282 | | 250 | 0 – 3 | with plastic coating | 13 40 99362 | | 500 | 0 – 3 | with plastic coating | 13 40 99442 | | 1000 | 0 – 3 | with plastic coating | 13 40 99542 |
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