Wash bottle are squeeze bottles with nozzle. They are generally used on laboraties to rince and wash different pieces of glasswares such as culture tubes, test tubes, beakers and flasks. They are also used by veterinarians to wash or feed animals and pets. BioRx wash bottles are made up of polyethylene which are solvent-resistant and flexible type of plastic. This comes with a nozzle and draw tube in one piece to squeeze out its contents. Common laboratory solvents used in these are detergent solutions, deionized water and rinse solvents (acetone, ethanol and isopropanol).