The AP-1720H is a specialised indoor air purifier for cleaning rooms up to 50 sqm. As a special feature, it has a removable front panel that is magnetically attached to the frame. This panel is available in different colours and decors, allowing the air purifier to be adapted to a wide variety of rooms and preferences. The prefilter, which needs to be replaced every two to three weeks, can be easily removed: to pull it out, the front is simply folded forward by eight degrees.