The product is a pack of 20 genuine Braun ThermoScan lens filters, specifically designed for the Braun LF20 model thermometer. These filters are essential for ensuring accurate readings and maintaining the functionality of the thermometer. Made by the trusted brand Braun, these lens filters are a reliable and high-quality product for healthcare and industrial use. Ideal for businesses and professionals in the medical and lab equipment industry, these filters are a must-have for maintaining precise temperature readings.