Manufactured from polypropylene for taking, transporting and storing of water samples for microbiological analysis. They can be used for all analysis where a sample is required. Bottles are manufactured at aseptically sterile production halls and then sent to gamma sterilization. Square bottle form offers easy handling and optimum spacing saving solutions. GL50 wide bottle neck provides easy filling and pouring. Cap with large ridges with increased grip featured with self lock and internal security ring. Cap inner design ensures hermetical and leak-proof closure. Caps are made of polyethylene. Embossed volume graduations on wall side offer better liquid level viewing. Clear bottles are manufactured from very clear P.P resulting with high transparency and for better view of the bottle content. Amber bottles are manufactured from special formulated P.P preventing UV light penetration into the flask yet still offering high transparency.