BROAD Airpro Mask FB2 HEPA Filter

Replacement of BROAD Airpro Mask FB2 HEPA Filter, HEPA filter needs to be replaced when the air volume is less than 70% or if it's dirty. The HEPA filter should be replaced after 500 hours of use. When installing the HEPA filter, the protruding tab must point upward, otherwise the HEPA filter will not fit

BROAD Airpro Mask FB2 HEPA Filter