Ventilator Fan CATA E-120 G B Standard 120 mm Glass Front 210 m3/St, Quiet Operation Energy Efficient Ball Bearing European Brand Quality since 1947. Modern design, quiet operation, simple maintenance and assembly, very economical Rim ventilation. Must not be earthed - double isolation, Front cover is easy to dismantle and clean, 220-240 V 50/60 Hz motor protection type IP-X4. For 120 mm pipes.