... 3. Approved CE,ISO 9001 certificates 4. 2 years warranty MWB1 Series Harmonic Filter ApplianceAlong with the rapid development of power ... -circuit, even fire, explosion caused such malignant accident. Our company MWB1-Q type harmonic filter capcacior in the circuit of HHG ... electric dust, no snow hit and severe mold.Technical Parameters MWB1 Series Harmonic Filter