The Thermo Fisher Scientific Orion 6.86 pH Buffer Bottle is an essential tool for accurate pH measurement. With a generous capacity of 475ml, this clear bottle is designed for easy handling and precise dispensing. The 6.86 pH value is ideal for calibrating pH meters, ensuring reliable results in various laboratory applications. Its high-quality formulation provides stability and consistency, making it a trusted choice for professionals. Whether you're in a research lab or an educational setting, this buffer solution is a must-have for maintaining the accuracy of your pH readings.