Features
===Characteristic===
G-type primary effect cartridge filter made by Dandong Shifa Industrial Filter Co., Ltd has the characteristic of light weight, inexpensive, small resistance, compact structure, etc.

===Materials & Frame===
This primary effect cartridge filter adopts G-type primary effect compacted fiber filter materials. Behind the folded filter materials, there is a wire netting holding up. We use cardboard to make the filter frame or galvanized iron sheet as well as aluminum alloy materials according to the customers.

===Application===
It is mainly used in the pre-filtering of central air-conditioning and central ventilation system. The air treated by G-type primary effect cartridge filter can be directly sent to the use place.