7Penn Replacement Filter with Mesh Screen 12pk Compatible With iRobot Roomba 800 and 900 Series Automatic Vacuum Cleaner $5.5
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Seems like super cheap price for dozen filters. These have a micro mesh on the bin side to prevent dirt from directly accumulating in the filter folds!
https://www.amazon.com/7Penn-Repl...303&sr=8-5
KEEP YOUR HOME SPOTLESS: The 7Penn Replacement Filter with Mesh Screen 12-Pack for iRobot Roomba 800 and 900 Series Automatic Vacuum Cleaner is a non-OEM replacement filter for Roomba 800 to 900 series
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