LR 400

Air purifier
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Beurer LR 400 app-controlled air purifier Use picture
Beurer LR 400 app-controlled air purifier

Air purifier with three-layer filter system & app control up to 69 m²

The smart air purifier impresses with its modern design and powerful performance. Thanks to its design, pollen, domestic dust, animal hair, odours, various bacteria and viruses around the air purifier are sucked in and filtered out of the air. You can lean back and relax while the air purifier decides what setting is best. Thanks to the intelligent automatic function, the LR 400 detects fine dust with a particle size of 2.5 μm and adjusts its cleaning performance to the ambient air. For better air quality and greater well-being. 

  • Convenient control and monitoring of the ambient air at home and on the move via the “beurer FreshHome” app
  • Air cleaning using a three-layer filter system (pre-filter + HEPA H13 filter* + activated carbon)
  • Filter filters up to 99.9% of certain viruses and aerosols*.
  • For rooms up to approx. 69 m² 1)
  • Coloured ambient air quality indicator
  • Additional cleaning using optional ultraviolet light
  • 4 fan levels + turbo mode
  • Timer function
  • With night mode: ultra-quiet operation and switched-off control panel
  • CADR: approx. 266 m3/h
  • Replaceable filter with filter change indicator


* Based on an external microbial reduction test with influenza A virus (H1N1), in a 28.5 m3 test chamber at Airmid Healthgroup Ltd.

1) NRCC-54013-2011

Beurer LR 400 app-controlled air purifier Use picture
ETM Testmagazin LR 400German Quality since 1919Stops viruses and fine dust

Key Features

Air cleaningAir cleaningAir cleaning using a three-layered filter system
Room sizeRoom sizeSuitable for rooms up to 69 m²

Tips for correct positioning of the LR 400

Man sitting at his desk in his home office
Choose the right room for your air purifier
  • Position the air purifier purposefully in the room in which the air is to be cleaned, and this should be a room in which people often spend time
  • Do not place the device in adjacent rooms, such as the dining room or hallway
  • Rooms that are particularly suitable for an air purifier: Living room, bedroom, study
View of the air flow through the LR 400 air purifier
Make the most of the chimney effect
  • Place the air purifier on the floor, as there is usually a higher concentration of pollutants there
  • Place the device in a recess (e.g. between a wall and a chest of drawers) so that the cleaned air is only able to flow out upwards
  • This can also cause air to be drawn inwards at the lower part of the device, which increases air intake
The air purifier purifies the air for the couple lying on the sofa in the living room
Pay attention to the height of surrounding objects
  • If the air purifier is at the same height or higher than the furniture around it, the cleaned air can flow over the other objects for more efficient air cleaning
  • If the air purifier is lower than the surrounding furniture, it may draw in the cleaned air again straight away
  • Pay special attention to furniture with a side wall, such as a couch, bed, desk

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