Genuine HEPA Media and Secondary Filter set for the Simplicity S20EZM Bagged Upright Vacuum. This filter set gives you every filter you need in order to keep your S20EZM running like new. We recommend changing your filters every 6-12 months. Every 6 months for high use machines, and every 12 months for lower use machines. Always get into the habit of checking your filters and belts every 6 months. Please note: These filters are not washable or reusable. This filter set is also compatible with the Fuller Brush Easy Maid FB-EZM.