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What is Room Coverage?

A3 Air Purifier

Room coverage is determined by Air Changes Per Hour (ACPH). An air change per hour translates to how many times an air purifier can clean a room in one hour. For example, 2 air changes per hour shows that an air purifier can clean a room once every 30 minutes.

An allergy and asthma sufferer needs at least 4 air changes per hour, which means an air purifier can clean a room at least once every 15 minutes.

Coverage

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