When do I need to replace filter
1The filter is too dirty after a long usage
2There's odd smells (Moisture will affect filter's condition)
3The filter is chocked and not work at all
How do I know if it works Please check the filter's color to relief your concern on whether the machine is purifying the air. The unused filter is completely white.
How to maximize equipment effectiveness Change filter every 6 months to main best results, and run machine to set on full speed when you are not in the room and close the door.
For first use: It has some smells at the beginning as it carbon-based, which is quite normal and it will disappear after several hours of usage.
Damp smell: It may have some odd smells after a long time use or when filter got damped, it's the high time to change a new filter.
1 xTrue hepa filter
1 x Manual