Sebo 5425AM Anti-odor Charcoal Microfilter for X and G Series Vacuum Anti-odor charcoal microfilter for X and G series vacuums Contains activated charcoal which is great for trapping pet odor, as well as other household odors It can be used instead of the white tubular X/G series microfilter that is located beside the paper bag in the vacuum Changing it is a breeze, just slide the dirty one out and slip this one into place