Application: Panel type Air Filter of Car Consists:1, Paper de-coiler2, Heater3, Water Steam Device4, Pleating Machine5, Hot-melt unit6, Belt ... pleating machine runs, the heater starts to work automatically.4, It adopts the water steam device, which is advantageous to prevent the paper ... nozzle are independently temperature controlled, and easy to operate. pleating machine (for filter paper )