Each bag has 3 layers to help filter the air from fine particles before it is released back into your home.
The sealing caps help users trap the dust and debris inside the bag once it is removed and ready for disposal.

Contains Exhaust Filter (52038ER), Micro-Hygiene-Filter (5036ER), 8 Ultra Bags (5093) and a Sealing Strip (5400-2) – use side of box to measure sealing strip to correct length.

(Green box used to identify genuine X7/X8 Service Box for North America consumers)