Pyrogen-free borosilicate glass Test Tubes, 10x75mm, without cap 50/pkg. All test tubes are made from USP Type 1 flint borosilicate glass. Contain less than 0.005 EU/ml endotoxin. Product number N207 is recommended for dilution of endotoxin standards and test samples for all endotoxin detection assays. Product numbers N201 and N205 are recommended for use as reaction tubes in gel clot assays.
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