The Blueair Blue Pure 411 Pre-Filter has been designed to capture large particles which enables a longer life-span for the main filter in the air purifier.
The Blueair Blue Pure 411 pre-filter is a fabric, re-usable pre-filter, meaning you are able to clean it by vacuuming the surface to remove the build-up of dust or by placing it in your washing machine.
There are a 3 colours to choose from so that you can select a colour to match your interior colour or change it to suit your mood.
This is an original Blueair product.