For the Dreame L40 Ultra, the dust bag inside the base station is the final collection point. Debris travels from your floors to the robot’s onboard bin, then gets suctioned into the base station bag when the robot docks. The bag’s filtration layers trap fine particles and allergens while allowing air to flow through, maintaining strong suction during the transfer. When those layers are spent, the system works harder for less result, and the robot starts its next session with a partially full bin.
What sits inside the base station matters. This four-pack of Plus.Parts® dust bags replaces the original Dreame bags with a four-layer filtration design. The outer non-woven layers handle bulk debris, while the inner melt-blown layers catch fine dust that single-layer bags let through. Each bag holds 3 litres, includes a sturdy plastic pull tab, and auto-seals on removal — a practical detail that keeps the bag change clean and simple.
When the bag works as designed, you do not think about it. That is the standard these bags are built to: reliable capacity, clean auto-seal removal, and consistent filtration from installation to replacement day. If you have any questions about your model or order, our team is here to help.
At a glance
- Auto-Seal on Removal – The bag seals itself when you pull it out, keeping all collected dust contained for a clean, hands-free bag change.
- Hygienic Disposal – The auto-seal mechanism means you never touch collected dust during a bag change.
- Built for the Long Run – Filtration layers maintain their structure across the full 8 to 10 week service life, not just the first few days.
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