You can use the mask without a filter, however: we would recommend until we know it’s safer to use them with the mask for now.
If you’re not sure about getting more filters consider this:
Warm Tip: Mask Replacement Filters, are disposable and cannot be washed. It is recommend replacing this over time.
Safe Breathing :With the 5 layers of protection,it can bring you a safe breathing experience.
Unique Ventilation Design: they can easily be doubled up for extra protection. Suitable for preventing fog, haze, ehicle exhaust, passive smoking,etc.
Reusable Material: Made of active carbon filter,it cannot be cleaned. So,it is recommended to replace it once a week. If you wish to get any extra filters over time, we will be doing packs of four