Whether it\'s brew water or milk, the right temperature is essential to optimising your results. Take full control of your brew and improve repeatability by placing these easy-to-use, easy-to-read temperature strips on your brew heads and steamers!With a range of 70 to 100 °C, this high heat temperature strip is used to ensure that your brew head is preheated properly prior to you adding water.The set includes 1 customisable temperature strip. Dimensions: 2.25 x 0.5 inches.Prior to application, ensure that the surface is clean and dry. During application, make sure that the strip lays flat across the face of a cylinder or another surface and that no gaps or air pockets are present.As the gauge warms up to the response temperature, the window starts changing from a tan or reddish brown to green.A TAN window is above the actual temperature reading;A GREEN window is the actual temperature reading;A BLUE window is below the actual temperature reading.- Moisture-resistant, self-adhesive base.- Estimated shelf life of the adhesive: 2 years, but this may vary depending on application and use.