Replacement filter for BARUFFALDI masks mod. HECTOR. The possibility of replacing the filter will allow you to make your BARUFFALDI HECTOR mask eternal without the need to replace it every time the internal filter loses its function. This guarantees great savings for the environment, great economic savings and the possibility of using your favorite mask for years, which over time will take the shape of your face and will be more and more comfortable to wear. It is easily replaced through the velcro pocket inside the mask. A double layer filter with activated carbon outside and FPP1 technical fabric inside is part of the supply.