Home / Home / Four head-to-heads, one winner eachHome robot vacuum cleaningFour head-to-heads, one winner eachMeetSparkles ran the matchups this week — Dreame L50 Ultra vs L40 Ultra Gen 2, Roomba 705 Max vs Combo 4020, and two more. Spec sheets tell you features; real-world comparisons tell you what to buy. Shop robot vacuums on Amazon As an Amazon Associate, Work Notes may earn.Related NotesHEPA filters are for the baby's air, not just your allergiesA quiet vacuum keeps the dog from hiding under the bedBrush rolls flick dust and crumbs into the suction pathSelf-washing mop robots can vacuum and mop in one passThe real quiet test: parked outside a sleeping kid's doorExploreCanadian side has better coverage.Canadian side is best for eclipse-plus-falls view.Canned tuna is already cooked — use it raw.Canned tuna is skipjack. Fresh steak is albacore. Sushi is bluefin.Canned tuna works fine in pasta salad if you handle it right.Previous Freo Z Ultra: 12,000 Pa eats pet hair and litter on the first passNext Febreze Fabric Refresher doesn't kill pet odors — it creates a hybrid