Home / Home / The Roomba j7+ base holds 60 days of dirt — you empty it every two monthsHome robot vacuum cleaningThe Roomba j7+ base holds 60 days of dirt — you empty it every two monthsThe self-emptying base on the j7+ holds about 60 days of dirt. That works out to emptying it roughly once every two months — two months of not touching a single bit of dust. Shop robot vacuums on Amazon As an Amazon Associate, Work Notes may earn.Related NotesThe Roomba j7+ Clean Base empties itself for weeksSuction power decides whether pet hair ends up in the bin or spread around the roomThe Roomba j7+ is the one for first-time buyers — it avoids disastersA self-emptying robot vacuum works fine for 3,000 sq ft — with one catchSelf-emptying docks trade money for weeks of freedom — and floor spaceExploreHow Pink Floyd’s Three Key Producers Pushed Them in Different Genre DirectionsHow Pink Floyd's UFO Club Residency Built Their LegendHow Pink Floyd’s UFO Club Residency Lit the Fuse for London’s Underground SceneHow Pink Floyd's 'Ummagumma' Live Disc Redefined What a Live Album Could BeHow Pink Floyd’s Vocalist Change After Syd Barrett Pushed Them Toward Blues-RockPrevious The Roomba j7+ costs three times the 675 — you're paying for smarts, not suctionNext The Roomba 694 cleans low-pile carpets well — navigation is the real downside