Shanghai Thenow Purification Technology Co.,Ltd.
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EVR Sizing

A classroom is 60㎡ with 3.2m, accommodating 40 students.
What size ventilator should be taken advantage of?
Place: classroom (high density)
Density: the number of peopl/ acreage
Form: the range
Parameter: 20 people for every square meter
Result:  the number of people and per capital minimum volume of fresh air
    Thenow Recommendation