1 HEPA 13 Filter Replacement + 4 Pre Punched Masks + 1 Air Tube for BROAD AirPro Mask.
Most frequent spare parts with replacement time as below:
1 HEPA 13 Filter Replacement: Every accumulatively 500  hours(Equivalent of 2 months based on 8 hrs using every day)
4 Pre Punched Masks: Every 2 weeks. Reusable masks, can be washed gently with clean water to wash off the d
1 Air Tube: no need to be replaced if it’s not broken, as a backup spare part. Made of silicone. Harmless to human being.