Filter fan and exhaust filter units(2nd generation

Features: --Screw free with only a quick clip --One-piece of fan&cover together, reflects more harmony. --With thermostat, the fan can be freely activated through a fine tuning according to the operating condition in the enclosure and energy saving --The slim design, with the minimal external projection(only 5mm)from enclosure --Low noise level, high performance. --No add-ons is required, standard Protection rating IP 44 Specification: --Airflow volume 20 m3/h(50Hz); 25 m3/h(60Hz) --Cutout dimension; 92x92mm square type --Rated voltage: 230/115V AC 50/60Hz; 48/24V DC --Outside dimension:116.5mm(H)x116.5mm(W)X52mm(D)