Miele Genuine bags are ideal for allergy sufferers. Fits S227 - S240i, S269i - S282i series models. Also includes 1 pre-motor filter and 1 super air clean post motor filter. Genuine Part - Miele 2046318 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.