The Simplicity Premium Allergy Upright Vacuum HEPA Media bags are a genuine replacement vacuum bag for the Simplicity S26 Premium Allergy Upright Vacuum. These 5-layered charcoal-infused bags feature HEPA quality filtration, capturing micro particles and dust, keeping your air clean. These vacuum bags come in a pack of six and should be replaced as needed or once a month. Part Number S26HC-6.