Cabinet Ventilation, LK series UL94V-0 plastic Filter Fan for panel Linkwell LK33 series fan and filter are designed for the cooling and ventilation of cabinet enclosures. The filter fans are quick and easy to fix (Either click fixing or screw mounting), to form a seal upto IP54 filter fan. The long life expectancy , quiet operation,ultra-thin louvre filter and low maintenance design makes them almost “fit and forget”. For more harsh condition replacement filter mats are available. With multiple voltages for ac dc axial fans, different air flow volume and dimensions, economic types, Linkwell Electric are China leading manufacturer and exporter of filter fans. LK3321 CODE M.U Exit Filter Fan and Filter Fan and Filter Fan and Filter TYPE V-ph-Hz LK3321.300 LK3321.230 LKK3321.115 LK3321.024 Voltage/phase/frequency 220-240/1/50-60 110-120/1/50-60 24DC Height/Width/Depth mm 116.5×116.5 116.5×116.5×54 116.5×116.5×54 116.5×116.5×54 Power/Current W/A 18/14/0.07-0.08 18/14/0.13-0.15 4.3W/0.18A Temperature Limits ℃ -10/+70 -10/+70 -10/+70 Protection Degree IP 54 54 54 54 Noise Level dB(A) 37/41 37/41 37/41 Air Flow m3/h 25/35 25/35 25/35 Air Flow(+LK3321.300) m3/h 20/25 20/25 20/25 Air Flow Direction A/P A/P A/P