This Cole-Parmer Insturment Co. 35640-70 Electrolyte Powder is a must-have for anyone in the medical and lab industries. It is designed to work with Oakton Do Probes and is an essential part of any lab equipment setup. The unit quantity is one, and the brand is Cole-Parmer, a well-known and trusted brand in the industry. The electrolyte powder is new, open box, and ready to be used for all your lab testing needs. The model number is 35640-70, and it is perfect for any intended use or discipline. This product falls under the Business & Industrial and Healthcare, Lab & Dental categories and is classified as Other Medical & Lab Equipment.