Bottles designed for sampling, transport and preservation of water to be analyzed. Bottles available both empty or pre-filled with Sodium Thiosulfate when is required the neutralization of Chlorine, Bromide and Ozone present in the water to be analyzed. Labelled, with leak-proof screw cap and antitamper security ring. Latex-free and suitable for the contact with food, in accordance with regulations in force. Water sampling bottles in PET, perfectly transparent, square shape. Seal screw cap with o-ring, witch guarantees a perfect leackproof. Sterile, multipack packaging. Mouth diameter 38.5 mm.