2.This is a product for both intake and exhaust. When installing, check noise, exhaust direction, voltage used, wiring method, power off of circuit breaker, etc. before installation.
3.Installation is prohibited in the following places.
ㆍDust and harmful substances. Places with a lot of gas
ㆍPlaces where freezing is a concern (refrigerated warehouse)
ㆍChemical factories
ㆍPlaces with significant resistance to ventilation