General description Improve your indoor air quality with the vhbw 3 Part Filter Set, designed specifically for the IQAir HealthPro Plus Air Purifier. This high-quality filter set ensures reliable performance by efficiently removing dust, pollen, allergens, bacteria, mould spores, smoke, fumes, chemical vapours, and unpleasant odours, providing clean and healthy air at home. For optimal results, it is recommended to replace the filters regularly based on usage. Technical specifications Gas & Odour Filter: Dimensions (L x W x H): 33.5 x 32 x 10 cm, Colour: brown Pre-Filter: Dimensions (L x W x H): 33 x 33 x 7.7 cm, Material: fleece/plastic, Colour: white, Filter classification: F8, Efficiency: > 55% for particles 0.3 µm, Replacement cycle: every 12 - 18 months HEPA Filter: Dimensions (L x W x H): 33 x 33 x 12 cm, Material: microfleece/plastic, Colour: white, Filter surface area: 5 m², Efficiency: > 99.97% for particles 0.3 microns, 99.50% for particles 0.003 microns, Filter class: HEPA