Fellowes AeraMax DX95 Air Purifier - Demo

Four-stage purification system captures 99.97% of airborne particles as small as 0.3 microns, including pollen and other allergens, dust mites, mould spores, pet dander and cigarette smoke
AeraSafe Antimicrobial Treatment - built-in protection from the growth of odour causing bacteria, mildew and fungi on True HEPA filter
AeraSmart Sensor monitors the air quality and automatically adjusts the fan speed to keep your air purified. Blue, amber and red lights indicate the purity of your air
Aera+ Mode is designed for peak allergy conditions and increases air flow by 50% to remove allergens from your air
Filter Change Indicators let you know when it is time to replace your Carbon and True HEPA filters
Recommended for rooms up to 28m sqaured

[NorthernMan]

I have one that works for 10 minutes then stops with all fan speed lights flashing. If anyone knows why I'd be grateful, I've changed both filters.