... Air Filter of Car Consists:1, Paper de-coiler2, Heater3, Water Steam Device4, Pleating Machine5, Hot-melt unit6, Belt Conveyor7, Automatic ... the heater starts to work automatically.4, It adopts the water steam device, which is advantageous to prevent the paper from ... quantity can be easily controlled by frequency converter.6, Set pressure control unit in glue feeding circuit to ensure the circuit safety ...