Genuine Electrolux Anti-Allergy bags cleans your house 5 times better than ordinary bags, filtering 99% of dust and allergens through its high-tech 3-layer filtration system. Among the world’s best high filtration bags, the s-bag™ Clinic is easy to use and ideal for allergy and asthma sufferers. These genuine vacuum cleaner bags also prevent fine dust build-up inside your vacuum caused by poor filtering generic bags. 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.