About panel air filter with pre filter

Pre filters are used for panel?filters and are suitable for situations with high levels of dust or long-term use. In addition to the glue on the wrinkles, the pre filter?material?is also made of fabric. The pre filter is designed for preliminary filtration purposes. These filters are used to filter large particles, so that escaping particles and particulate matter are filtered by the main filter. The application of pre filters significantly improves absorption capacity. This means that it enhances the filter's ability to trap pollutants without passing through intake resistance.