Miele Genuine Air Clean 3D vacuum bags feature a self-closing hole with 9 stage filtration, ideal for allergy sufferers. The 3D technology allows the bag to hold more than previous versions since due to the changes in the way the bag opens. Fits S7000 series models also known as Miele S7 Upright Vacuum Cleaners. Also includes 1 pre-motor filter and 1 super air clean post motor filter. Genuine Part - Miele 7282050 For optimum performance and minimal foul odour, change bag every 1-2 months or when 3/4 full. Store vacuum bags in a clean, dry place.