ZHUHAI LI TIAN CHUANG ZHAN TRADE LTD. - China

Prefilter AF series is a blue and white filter. Its used to prefilter and collecting the biggish dust in the inlet of general ventilation. It effectively prevent the dust jam into the ceiling filter prematurely and ensure its usefullife and the filtrate effect. Its processed by firm fibers which is sprinkled with a sort of rigid glue. So it has the best rigidity and density with good prefiltrate effect and air flow rate.