General description Improve your indoor air quality with the vhbw 3 Part Filter Set designed for the IQAir HealthPro 150 Air Purifier. This high-quality filter set efficiently removes dust, pollen, allergens, bacteria, mould spores, smoke, fumes, chemical vapours, and unpleasant odours, ensuring clean and healthy air at home. For optimal performance, 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; Material: Activated carbon and aluminium oxide pellets; Colour: Brown Pre-Filter: Dimensions (L x W x H): 33 x 33 x 7.7 cm; Filter classification: F8 fine dust filter (particle 1 up to 10µm); Efficiency: > 55% particle 0.3 µm; Material: Fleece / Plastic; Colour: White; Replacement cycle: every 12 - 18 months HEPA Filter: Dimensions (L x W x H): 33 x 33 x 12 cm; Efficiency: > 99.97% particles 0.3 microns; 99.50% particles 0.003 microns; Filter class: HEPA 13; Material: Microfleece /