The combination filter will remove particles down to 2.5 microns ensuring that the air quality has been significantly improved. A change filter indicator will turn yellow (after 5 months of operation) to show it is time to order a new filter. This will turn red (after 1 extra month of operation) indicating that the main filter should be changed. Changing the filter is a very easy process to undertake.
The Blueair Blue Pure 221 filter will remove variety of allergens and pollutants from the air including pollen, dust, pet dander, mould, particles, dust mite allergens, bacteria, VOCs, smoke, chemicals and cooking odours.
The fabric pre-filter will extend the life of the main filter by trapping larger particles. It is easy to look after and can be kept clean by occasionally vacuuming the exterior to remove dust and a gentle wash in the washing machine as per the instructions. Each unit is delivered with 2 pre-filters; Diva Blue and Dark Shadow allowing you to customise the unit.
The technology allows for an incredibly quiet operation. This means it won't impact on a work environment, a living environment or even in the bedroom. It will simply sit unobtrusively doing its job to improve the air as you get on with your day.
Rest assured that the Blueair Blue Pure 221 has very low noise levels, combined with the fact that the light automatically dims to 10% of the full effect after 7 seconds ensures that this unit is low impact.
A change filter indicator will turn yellow after 5 months of operation to show that it is time to order a new filter. After one extra month of operation this will turn red. No need to make a mental note of when you changed the main filter – the unit will alert you after 5 months of service!
Blueair have designed this unit to easily fit into modern life; it is efficient, discreet and simple to operate and maintain. The intuitive one button control means that when you first turn it on it will automatically set it to the recommended operating speed. If the power is interrupted perhaps by a power failure or if the unit is unplugged, the unit will automatically restart at the set speed. The 360° air intake ensures that the unit can be located wherever you decide.
The Blueair Pure 221 Air Purifier will easily filter the air in your (large) room size up to 83m2 3 times an hour. This will differ from the information on the box since Blueair rate their machines at 5 air changes per hour. The Healthy House® recommends their air purifiers based on a minimum of 3 air changes per hour.