哪款紧凑型空气净化器最适合小空间？
| Product ⇅ | Price ⇅ | Filter Types ⇅ | Coverage Area (sq ft) ⇅ | Air Changes per Hour ⇅ | Clean Air Delivery Rate ⇅ | Maximum Noise Level (dB) ⇅ | Energy Consumption (watts) ⇅ | Filter Replacement Interval ⇅ |
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Alen BreatheSmart 35i
US
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£215.66 ≈ | True HEPA H13；可选碳层（Advanced/Ultimate） | 700 - 1,400 | — | — | 42 | 综合能效 6.7 cfm/W；年耗电量 136 kWh/yr | 9 - 12 个月（取决于滤网类型；Alen 指南） |
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The Alen BreatheSmart 35i is a compact, app-connected True HEPA H13 air purifier with smart sensors, four fan speeds, and optional carbon-enhanced filters for VOCs and odors. It offers quiet operation (up to 42 dB), CADR ratings suitable for small-to-medium rooms, and integrated filter-life tracking via RFID and the Alen Air app. ★ 适合人群适用于小空间，因为它结合了 True HEPA H13 过滤、最高 CADR 达 195 CFM（花粉）和覆盖面积额定 700-1,400 sq ft，同时最大噪音极低（42 dB）。 |
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Levoit Vital 100S
US
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£82.08 ≈ | Washable pre-filter, True HEPA (bonded particle), Activated carbon (pellet) | 219 | 4.8 | — | 53.8 | 27.3 (max) | 9-12 months |
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The Levoit Vital 100S is a compact smart air purifier with a three-stage filtration system (washable pre-filter, bonded particle True HEPA, and pelleted activated carbon), CADR up to 141 CFM and coverage for about 219 sq ft at 4.8 ACH. It includes smart app and auto modes, air quality sensor, and quiet sleep settings, making it suitable for bedrooms and small to medium rooms. The pre-filter is washable and the main filter combination should be replaced roughly every 9-12 months. ★ 适合人群适合小空间：在约 219 sq ft 的房间内可实现 4.8 ACH，具有 146 CFM 的灰尘 CADR，并且占地面积紧凑，非常适合卧室或小型房间。 |
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Vissani VK-6105
US
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£33.54 ≈ | True HEPA，前置滤网，活性炭 | 130 sq ft | — | — | — | 32 watts | 在指示灯亮起时更换或按需更换（未指定间隔） |
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Compact 3-stage air purifier with True HEPA, pre-filter and activated carbon designed for small rooms up to 130 sq ft. Low power (32 watts), touch controls, timer and night mode make it suitable for bedrooms and offices. Simple to maintain with a removable base cover for filter access. ★ 适合人群适用于小空间，覆盖面积为 130 sq ft，采用 True HEPA 三重过滤，同时仅消耗 32 watts，能效高且适合小房间使用。
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