Solution: According to the plant environment and product requirements to determine, we recommend the fan inlet coarse filter replaced every 3 to 6 months; the efficiency and efficient filter every 6 to 12 months to replace a
Solution: According to the factory environment and product requirements to decide, we recommend that the fan port crude effect filter every 3 to 6 months replacement;
Solution: according to the factory environment and product requirements, we suggest to replace the coarse efficiency filter at the fan outlet every 3-6 months; the medium efficiency filter and high efficiency filter every 6-12 months