These Infly T04B and T04X replacement brush heads come in a pack of three, providing a convenient supply for your dental hygiene routine. Designed specifically for these two electric toothbrush models, the blue plastic heads feature medium-hardness bristles that effectively remove plaque and food debris while remaining gentle enough to protect your tooth enamel. The ergonomic shape ensures a comfortable fit against the contours of your teeth, making it easier to reach different areas of your mouth during daily cleaning. This set is a practical choice for anyone using an Infly toothbrush who wants to maintain consistent oral health with reliable, compatible accessories.