The hepa filter paper fold into this filter. Due to the particularity material of hepa, it can be recycled after washing to dry.High efficiency filter dust, prevent the dust into the motor chamber, extend the service life of motor protection of motor.The Can Filter Water Resistance Washing and Can Be Used Repeatedly.Replacing The Filter on a Regular Base Will Help Your Machine Work Well.Compatible model: for DreameT20. Easy to remove and replace as part of routine maintenanceModel Number: For Dreame T10 T20 T30size:95x95x93MMMaterial:ABScolour:Black