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Model Name: HealthPro250 Powerful All-rounder (EU Version)
Brand: IQAir (Switzerland)
Made in: Switzerland
Power Requirement: 220-240V, 50/60Hz
Power Consumption: 20-135Watt
Sound Pressure: 22-57dB
Dimensions (H x W x D): 710 x 380 x 410mm
Weight: 16kg
Air Delivery Rate (maximum): 440m³/h
Coverage (maximum): 85㎡ (average roof height)
Filters & Functions:
Pre-filter: PreMax F8, fiber-glass filter class F8; Efficiency: ≥55% at 0.3microns; Surface: 2.8㎡; Filter life：6-9 months (given average pollution level and operation 24/7 on average speeds);
Gas & Odor Filter: V5-Cell MG, mixture of active carbon and impregnated alumina; Function: effectively filtering over 100 common gaseous chemicals and odors; Weight：2.5kg; Filter life：8-11 months (given average pollution level and operation 24/7 on average speeds);
HEPA Filter: HyperHEPA H12/13, hospital-grade fiber-glass HEPA filter; Efficiency: ≥99.97% at ≥0.3microns; Surface：5㎡; Filter life：18-24 months (given average pollution level and operation 24/7 on average speeds)
Features:
● Hospital-grade filtration. Highly efficient and safe;
● Purely mechanical working mode (fan+filters) without second-hand pollution;
● Simple and convenient. 100% maintenance free apart from filter change;
● Approximate alert of filter life ending according to operation speed and pre-set pollution level; 
● German made top class fan in its category, designed to be used for 10-15 years. 

Model Name: AI-600 Cloud Intelligent Powerful All-rounder
Brand: Airproce (China)
Made in: China
Power Requirement: 220V, 50Hz
Power Consumption: 22-150Watt
Sound Pressure: 22-69dB
Dimensions (H x W x D): 820 x 410 x 410mm
Weight: 25kg
Air Delivery Rate (maximum): 610m³/h
Coverage (maximum): 73m² (average roof height)
Filters & Functions:
Pre-filter: G4 V2, coarse dust pre-filter Class G4; Surface: 5㎡; Filter life: 3-5 months (given average pollution level and operation 24/7 on average speeds);
Gas & Odor Filter: TVOC V2, mixture of active carbon and impregnated alumina (Net Weight: 4kg); Function: effectively filtering common gaseous chemicals and odors; Gross Weight: 6kg; Filter life: 10-15 months (given average pollution level and operation 24/7 on average speeds);
HEPA Filter: 13 HEPA V2, hospital-grade fiber-glass HEPA filter; Efficiency: ≥99.95% at ≥0.3microns; Surface：5㎡; Filter life: 15-21 months (given average pollution level and operation 24/7 on average speeds)
Features:
● Hospital-grade filtration. Highly efficient and safe;
● Purely mechanical working mode (fan+filters) without second-hand pollution;
● Simple and convenient. 100% maintenance free apart from filter change;
● Equipped with a sensor to intelligently monitor the air pollution levels and filter life status;
● Linkable to Wifi enabling easy monitoring and remote control through the APP;
● German brand fan, designed to be used for 8-10 years. 

Model Name: 503 Powerful All-rounder
Brand: Blueair (Sweden)
Made in: China
Power Requirement: 220V, 50Hz
Power Consumption: 15-75Watt
Sound Pressure: 25-56dB
Dimensions (H x W x D): 600 x 500 x 340mm
Weight: 16kg
Air Delivery Rate (maximum): 600m³/h
Coverage (maximum): 72m² (average roof height)
Filters & Functions:
500/ 600 Hybrid Filter: NGB filters PM2.5 and gaseous pollutants; Filter life: 6 months (given average pollution level and operation 12/7 on average speeds)
Features:
● Mechanical filtration supplemented by Ion technology;
● Count down function of filter life;
● Simple and convenient. In addition to filter change, the ionizer and in-take vents should be cleaned regularly;
● Designed to be used for 5-8 years.