1. Air filter replacement cycle

Due to the different environment, the filter maintenance and replacement cycle are different ,too. We should be based on themethod of host manufacturer , or filter maintenance instructions, generally according to the filter maintenance indicator to measure the air pressure difference for maintenance or replacement.

2. Blocking alarm or working 50-250 hours should be cleaned or replace the main filter.

3. Replace the main filter element as soon as the following conditions

The main filter element has been damaged

Installed the main filter element after cleaning, alarm machine still alarm