Paper bags for the ELECTROLUX vacuum cleaner Laser Z 4820, 4830, 4840, 4850. ELECTROLUX has designed high quality paper bags and filters to fit your vacuum cleaner and maintain its best performance. The high grade of quality used for these paper bags will provide your vacuum cleaner with high filtration level and maximum dust retention as well as a high airflow and strong suction power. The microfilter retains the maximum dust from the air from the cleaner\'s exhaust. To preserve the best quality of your vacuum cleaner, change paper bags regularly and filters twice a year or when you notice they are visibly soiled. The use of non genuine vacuum bags and filters may affect your vacuum cleaner performance. This pack contains 5 paper bags and one microfilter. Paper bags reference: E 9N.