nVent HOFFMAN EF Filter Fans IP54
nVent HOFFMAN's EF range of IP54 filter fans is ideally suited for
preventing water and dust from entering the enclosure and providing
constant ventilation. Install time is significantly reduced, with the
filter fan's click-in feature and an an air flow rate of 19 - 640m3/h
can be achieved. Cut outs required vary between 92mm2 - 291mm2.