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1. www.mi.com › global › productXiaomi Smart Air Purifier 4 - Xiaomi Global Official

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   Pet hair. Cooking fumes. Pet odours. Impressive CADR Purify a large 20m² room in approx. 10 minutes Xiaomi Smart Air Purifier 4 has a Particle CADR of up to 400m³/h*, able to deliver 6660L of purified air per minute*, and with 360° all-round air intake, whole-room air purification is effortless. Able to purify a 20m² room in approx*.

2. www.mi.com › hk › productxiaomi-smart-air-purifier-4 - 小米香港官網

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   花粉. 寵物毛髮. 煮食油煙. 寵物異味. 驚人的 CADR 值 在大約 10 分鐘內淨化 20 平方米的房間 小米空氣淨化器 4 的顆粒物 CADR 值達每小時 400 立方米*，每分鐘可輸出 6,660 升潔淨空氣*，並配備 360° 全方位進風，讓您輕鬆淨化整個房間的空氣。 淨化 20 平方米的房間，只需大約* 分鐘. 全方位進風. °. 有效範圍達. 平方米. 三合一過濾功能 去除 99.97% 的 0.3μm 粒子* 為患有鼻炎及過敏症的人士提供全天候保護。 小米空氣淨化器 4 能保持家居空氣潔淨清新，讓您安全地呼吸，守護您的呼吸系統健康。 寵物毛髮. 花粉. 灰塵. 煙霧. 皮屑. 棉纖維.

3. 其他人也問了

   How to calculate the purification time of Xiaomi smart air purifier 4?

   • Calculated based on the PM CADR of Xiaomi Smart Air Purifier 4. *10min purification for a living room of approx. 20m²: In a bedroom of 20m², with a ceiling height of 3m when the device is running at maximum output, a single-cycle purification time is calculated by: room area x room height ÷ PM CADR.

   Xiaomi Smart Air Purifier 4 - Xiaomi Global Official

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   How long does air purifier 2 take to circulate Clean Air?

   • Takes 10 min to circulate clean air in a 21m 2 room, 2.4m high. CADR is affected by room area and height. Mi Air Purifier 2's effective area is based on the GB/T 18801 Air Purifier standard: Effective area=CADR x (0.07-0.12). Data taken from Guangzhou Industrial Microbiology Testing Centre's CADR test report.

   Mi Air Purifier 2 - Xiaomi

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   What is the effective area of mi air purifier 2?

   • Mi Air Purifier 2's effective area is based on the GB/T 18801 Air Purifier standard: Effective area=CADR x (0.07-0.12). Data taken from Guangzhou Industrial Microbiology Testing Centre's CADR test report. Install the Mi Home app to control Mi Air Purifier 2 remotely. Noise levels on High-speed mode will be higher than Normal or Night mode.

   Mi Air Purifier 2 - Xiaomi

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   Does the Xiaomi smart air purifier elite reduce airborne allergens?

   • The plasma generator continuously releases positive and negative ions and proactively helps remove airborne bacteria*, and odours in the air, restoring clean air in your home. The Xiaomi Smart Air Purifier Elite can effectively reduce airborne allergens indoors, rigorously tested by authoritative certification organization TÜV Rheinland.

   Xiaomi Smart Air Purifier Elite - Xiaomi Global

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4. www.mi.com › global › productXiaomi Smart Air Purifier Elite - Xiaomi Global

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   The Xiaomi Smart Air Purifier Elite can effectively reduce airborne allergens indoors, rigorously tested by authoritative certification organization TÜV Rheinland. 99% 99% 99%. Removal rate of pollen allergens in 1 hour* Removal rate of dust mite allergens in 1 hour* Removal rate of pet dander allergens in 1 hour*.

5. www.mi.com › global › productXiaomi Smart Air Purifier 4 Compact - Xiaomi Global

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   * 16–27m² effective coverage area: As calculated in Air Purifier (GB/T 18801-2015) Appendix F.4: Area of application = pCADR x (0.07–0.12). pCADR data from CVC Testing Technology Ltd. Report no.: WTS2022-4212.

6. www.mi.com › global › air2Mi Air Purifier 2 - Xiaomi

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   Mi Air Purifier 2's CADR is measured under specified test and capacity conditions with targeted pollutants (particulate and gaseous) with measurement units in cubic meters per hour (m 3 /h). Results according to Guangzhou Industrial Microbiology Testing Centre's CADR test report.

7. www.mi.com › hk › productxiaomi-smart-air-purifier-elite - 小米香港官網

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   全面監測空氣質素. PM2.5/PM10 雙效感應器. 無光且近乎靜音. 聲壓低至 20.2dB (A) 智能控制. 米家 App + AI 語音. 每分鐘淨化 10,000 升空氣* 輕鬆應對大房間. 快速輕鬆令房間充滿潔淨空氣。 600. m³/h. 顆粒物 CADR* 592. m³/h. 花粉 CADR*（測定值） 高達 125. m². 基於每小時換氣 2 次的房間大小. 3 分鐘/循環. 育兒室（≈ 10 平方米） 4 分鐘/循環. 廚房（≈ 16 平方米） 10 分鐘/循環. 大型客廳（≈ 40 平方米）

8. www.mi.com › hk › productxiaomi-smart-circulating-air-purifier - 小米香港官網

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   5個. 採集點. 1小時. 採集時間. 空氣循環增強輔助 低檔位也能有效淨化 睡眠模式下仍可每小時輸出 101.3 立方米潔淨空氣量，米家 APP 內開啟 45° 風扇運行，避免直接吹出，晚上淨化效果強勁。 101.3m³/h. 睡眠檔位 CADR* 35.7dB (A) 睡眠檔位噪音* 四季皆宜. 循環送風淨化多合一 滿足四季需求 不同季節，需求不同，可自由調校操作模式， 滿足四季不同需求。 秋. 冬. 夏. 春. 細菌. 病毒. 甲醛. 花粉. 潔淨涼風 營造夏天舒適環境 夏天輸出強勁涼風，同時淨化室內空氣， 為全家營造舒適環境。