space-saving square shape Dimensions 145 x 70 x 70 (HxWxD) Wide neck thread (50 mm) with safety screw cap, foamed seal and easily removable tamper-evident closure leak-proof NATURAL with raised scale Shelf life 60 months (min. 12 months from delivery) Packaging unit 120 pcs. / box Sterile bottles are essential when sampling drinking water in building installations in order to avoid contamination and to obtain reliable test results. In particular for microbiological tests, for example to detect legionella, it is crucial that samples are taken under hygienic conditions. Many sterile bottles are also available pre-filled with sodium thiosulfate (usually 20 mg/liter). This buffers or inactivates residual chlorine and thus ensures the validity of the samples. In practice, the bottles are only opened immediately bMeer tonenMinder tonen