It is usually replaced once every 4-8 weeks.
When the pressure difference is greater than 250Pa, it must be replaced.
Medium effect filter
It is usually replaced once every 7-9 weeks.
For the medium effect filter, when the pressure difference is greater than 330Pa, it must be replaced.
Sub high efficiency filter
It is usually replaced once every 5-6 months.
For the sub-high efficiency filter, when the pressure difference is greater than 400Pa, it must be replaced.
High efficiency filter
Replace it once every 1-2 years.
It must be replaced when the resistance value is greater than 450Pa or the airflow speed at the outlet air surface is reduced to the minimum.
Ultra-high efficiency filter
The user determines the use time by testing the cleanliness of the clean room.
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