Feature: 
Materials: Hight quality polyester synthetic fibre with lead alloy and plating electric welding net
Purpose:It can purify the dust ≥5 μm ,which can extend the service life of the backend medium-effect filter.
Speciality: Exterior frame can be disassembled,so that it can easy to change filtration  material ,which can clean and reuse for many times with its long service life.
Efficiency ratio (by weigh method):85%