... Description:1,air flow:1000----1000000Nm3/h 2,filter speed:0.2--1.2N/min 3,gas ... stability effectively,prevents boiler going positive pressure and filter bag damage caused by uneven flue gas.3, ... treat big smoke gas,good dust cleaning effect, long bag service life and stable operation,convenient maintenance.Application ... building material,cement and other fields. certificate long pulse bag filter