Its ultra-quiet operation emits pink noise, optimizing lower octave frequencies, and ensuring a restful night.
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In Auto mode, the fan speed will automatically adjust to protect your air quality while you rest, you can clean it regularly to maintain the correction. Note: After powering on, the air purifier for the dorm is in a preheating state and the indicator light will continue to flash for one minute.
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The AirDoctor 3500 Air Purifier H13 UltraHEPA is designed for large rooms with a coverage area of more than 215 sq ft. It features a 24-hour timer control, 4 speeds, and various control styles including switch, digital, and touch. With a clean air delivery rating of 551-600, this air purifier captures contaminants such as gases & fumes, allergens, dust, and pet dander. It operates quietly with a 30 dB sound rating and has a filter replacement indicator for easy maintenance. This plug-in unit also has smart home compatibility with Wi-Fi connectivity, making it convenient for whole-room filtration and improving indoor air quality.
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（CADR：280m3/H ±10%）. 【3-in-1 Function Air Purifier】Our room air purifier integrates 3 core functions: air purification, air quality detection and aromatherapy. It also has a built-in aromatherapy diffuser—add your favorite aromatherapy freely, no need for a separate machine.
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The Germ Guardian Air Purifier System 4-in-1 AC4825E is a tower-style air purifier designed to improve indoor air quality. With its multicolor design and effective filtration capabilities, this model from GermGuardian is a reliable choice for maintaining clean and healthy air in your home. The 4-in-1 system combines multiple functions in one convenient package, making it a versatile and efficient solution for improving your living environment.
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Model: Levoit Core 300 air purifier. Room size: up to 1,073 sq ft (1 ACH); very effective around 222 sq ft (≈4.8 ACH). Fan speeds: 3 speeds plus Sleep Mode. Quiet operation: low noise levels in Sleep Mode for bedroom use.
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With a CADR rate of 94 CFM (160 m³/h), it purifies the air in spaces up to 215 sq.ft (20 m²).
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Specification: - Material: ABS - Color: White - Formaldehyde CADR: 500 m³/h - Filter Type: ALL-IN-ONE filter - Noise Level: 34 dB(A) - Voltage/Frequency: 5-12V~50Hz - Speed Settings: 3 gears - Rated Power: <18W - Particulate Matter CADR:800 m³/h - Applicable Area: 50-120m² - Application Scenarios: Home/Outdoor Use Package Lists: 1 x Air Purifier 1 x USB Charging Cable 1 x Instruction Manual .
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AIRFIRE, AP201. As an industry leader in product sourcing and reconditioning, we are expert in providing the best and finest quality products. 65 Point Inspection. We proudly stand behind the quality of our products.
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In sleep mode, the purifier runs at a low fan speed, producing just 20 dB of noise - quieter than a whisper. Particulate Matter CADR: 800 m³/h. Formaldehyde CADR: 500 m³/h. 1x Air Purifier. As the air circulates, it carries a pleasant fragrance throughout the room, blending freshness with a relaxing aroma.
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Produces 48,000 mg of ozone per hour and purifies up to 300 m². The 2025 ozone generator uses highly active ozone to effortlessly break down bacteria. When the ozone air purifier is in operation, make sure that no people or animals stay in the room.
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Our air purifier is equipped with high-efficiency particulate air (HEPA) filters that effectively capture smoke, pollen, pet dander, hair, and other pollutants. Experience clean and fresh air with our advanced air purifier!
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Winix’s PlasmaWave® Technology may help to reduce the presence of airborne pollutants, allergens, and impurities. When in Auto Mode, the unit automatically adjusts fan speeds to ensure efficient and cost-effective cleaning.
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Filter: PP washable pre filter+H13 HEPA filter+ active carbon filter. 250 ft² (210x210x385mm）. Suggested room size: 18-32㎡. Related Power: 18W. Motor：DC motor. Product weight: 2.7kg. Product size：210x210x385mm. ).
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100% Ozone Free Air Purifier. Certified to ETL, FCC, CE, RoHS. About Simpure AP3J9 Air Purifier. SimPure AP3J9 Air Purifier. - Covering an area of up to 20m² / 221 sq. ft in about 43 mins, perfect for quickly replacing the air in your bedrooms, small room, offices, nurseries or dorms.
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The Dyson Purifier Cool purifying fan™ combines intelligent sensing with an advanced, fully sealed filtration system.⁵ It’s engineered with two phases of purification so what goes inside stays inside. The HEPA filter⁴ captures 99.97% of particles 0.3 microns⁵ in size, and powerful Air Multiplier™ technology purifies the whole room¹ and cools you.² ¹Tested per Dyson internal test standards for whole-room air projection (TM-005021) and purification coverage (TM-003711). ²Fan, not an air conditioning unit. ³Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.
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