10 Best filterless air purifier (2025)

• NEVERCHANGE FILTRATION: HEPA filtration that won’t need replacement. Debris Defense filter protects HEPA layers ,for up to 5 years, Tested to GB/T18801-2015 P.CCM, based on 50% CADR declined, 300SQFT, and 12 hrs daily operation on MAX fan speed.
• DUAL SPECIALIZATION: Our Anti-Allergen HEPA filter is designed to tackle a wide array of air contaminants with precision. From smog, toxins, and VOCs to wildfire smoke and more, experience comprehensive purification for healthier indoor air quality.
• $300+ IN FILTER REPLACEMENT SAVINGS: With NeverChange filtration, you won’t need replacement filters for up to 5 years. Vs.cost of replacing filters on a competitor unit over 5-year period in 300 square foot space.
• DEBRIS DEFENSE PROTECTION: Pulls in large particles like hair, dust, and dander, preventing buildup on your HEPA filter and maximizing performance. Easily remove the screens and vacuum, wipe, or rinse it clean in seconds.
• LARGE ROOM COVERAGE: Purify large areas—up to 650 sq. ft. in just one hour. Perfect for bedrooms, kitchens, living rooms, basements, and more. Based on AHAM AC-1, at one air change per hour.

This OION Technologies B-1000 Permanent Filter Ionic Air Purifier Pro Ionizer with UV-C, New (Black) is a top choice in . Customers appreciate its quality, performance, and value.

• 𝐀𝐈𝐑 𝐏𝐔𝐑𝐈𝐅𝐈𝐄𝐑 𝐃𝐄𝐒𝐈𝐆𝐍𝐄𝐃 𝐅𝐎𝐑 𝐀𝐋𝐋𝐄𝐑𝐆𝐘 𝐆𝐑𝐎𝐔𝐏𝐒：The Vital 200S-P is designed specifically for allergy groups, effectively preventing allergens such as pollen, pet hair, dander, and dust from the air. Its efficient filtration system captures tiny particles, significantly improving indoor air quality and helping you and your family enjoy fresher air.
• 𝐇𝐈𝐆𝐇𝐄𝐑 𝐀𝐈𝐑 𝐈𝐍𝐓𝐀𝐊𝐄: Purify your air quickly. With a traditional air inlet and the additional U-shaped air inlet, airborne pet hairs and odors can easily be trapped without causing clogs
• 𝐋𝐀𝐑𝐆𝐄 𝐂𝐎𝐕𝐄𝐑𝐀𝐆𝐄: The Vital 200S-P is perfect for large, indoor spaces, especially large bedrooms. It has a CADR of 242 CFM and can purify the air of a 1800 ft² space once/hour (based on Levoit's Original Filters; not applicable to other replacement filters)；
• 𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Our filter has a strong filtration performance of ultra fine particles 99.97 percent filtration efficiency for 0.1-0.3 μm airborne particulates, including pollen, dust, and animal dander allergens.Disclaimer: Tested by an independent lab
• 𝐇𝐄𝐏𝐀 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: When in Auto Mode, the Vital 200S-P will automatically adjust the fan speed to protect your air quality while you rest. Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab

• 【Prioritize The Filter To Enjoy Better Breathing】Filter is soul of air purifier. Only 5-in-1 filtration is true filtration, just no budget burden is true savings, progressive pre-filtration and self-developed long-lasting filter make the lifespan up to 12 months, and expanded area is 30% higher than common filter. Aeocky's pioneering YearChange filter——a game-changer redefines your imagination for good filter.
• 【YearChange Filter Break Your Budget-Worry】Clean air should not be luxury. Aeocky filter equipped progressive pre-filtration and Self-developed long-lasting filter, regular cleaning to achieve YearChange (similar products change 1-3 months), even the air quality is poor, the life-span still about 6 months, 4X of similar products. Filter as low as 9.99, independent production is long-term supply, eliminating middleman. (Test standard base on GB/T 18801-2022, which conducts relevant tests on particle purification.)
• 【Only 5-In-1 Filtration Is The First Choice】Advanced progressive 5-in-1 filter, five layers of filters each perform their duties, sufficient materials, visible activated carbon particles, no black cotton deception; as the filter size increases, the filtration area increases by 30%, giving you stronger protection, efficient filtration of smoke, pollen, particulate matter and harmful gases.
• 【White Noise Outdated? Pink Noise Is The Real Quiet】The industry's first air purifier with pink noise is more natural and comfortable than white noise, allowing you to feel the breath of nature; Breaking through critical issues in the industry, more stable and uniform low-frequency sound, without the whistling sound like scratching glass; The first level is only 19dB, combined with low-frequency sound, is more suitable for sleeping.
• 【DC VFD Brushless Motor Should Be A Must-Have】Aeocky's DC brushless motor significantly reduces energy consumption and is equipped with permanently lubricated bearings to effectively reduce friction and noise. The motor uses pure copper wire instead of outdated aluminum wire to ensure a longer lifespan. The VFD (Variable Frequency Drive) technology makes the operation more stable and smoother, entry-level also has high-end enjoyment.

• 𝐏𝐄𝐓 𝐎𝐖𝐍𝐄𝐑𝐒 𝐅𝐑𝐈𝐄𝐍𝐃𝐋𝐘: Pet Mode cleans the air and conserves energy, while the wide U-shaped air inlet effectively traps airborne pet fur and large particles
• 𝐂𝐎𝐌𝐏𝐀𝐂𝐓 𝐅𝐎𝐑 𝐄𝐕𝐄𝐑𝐘 𝐇𝐎𝐌𝐄: Experience instant freshness with the Vital 100S-P Air Purifier. It boasts a 143 CFM CADR and cleanses 1074 ft² of space hourly with Levoit's Original Filters (not compatible with other replacement filters)
• 𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Our filter offers powerful filtration, with 99.97 percent efficiency in capturing ultrafine particles sized 0.1-0.3μm, such as pollen, dust, and pet dander allergens. Disclaimer: Independently lab-tested
• 𝐇𝐄𝐏𝐀 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: With Light Detection, Vital 100S-P dims display lights and sets Auto Mode to quiet fan speeds in darkness. Levoit Original Filter achieves high-grade filtration in Sleep Mode, independently tested
• 𝐖𝐀𝐒𝐇𝐀𝐁𝐋𝐄 𝐏𝐑𝐄-𝐅𝐈𝐋𝐓𝐄𝐑: Cleaning the Pre-Filter by water helps the 3-stage filtration system last longer. The High-Efficient Activated Carbon Filter helps remove pet odors, fumes, and VOCs

• Highly effective
• Exclusive patented technology
• No maintenance!
• Completely silent
• Low energy consumption

• The air purifier features a 56W long-life high-torque motor, a versatile 8.7 x 8.7 x 14.2-inch size and 143CFM CADR, weighs 7.9 lbs, and can purify up to 1074 ft² with the original filter. The Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab.
• 𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Enjoy fresh air in minutes with the Core 300-P Air Purifier (Model No.: Core 300), which has a CADR of 143 CFM/243 m³/h and can purify the air of 1074-ft² spaces once per hour (based on Levoit's Original Filters; not applicable to other replacement filters).
• 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: For the best performance and longest lifespan, use official Levoit replacement filters. Levoit filters provide the best fit and filtration, while off-brand filters may be unreliable and may damage the air purifier.
• 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
• 𝐅𝐈𝐍𝐃 𝐑𝐄𝐋𝐈𝐄𝐅: Our filter has strong filtration performance of ultra-fine particles. 99.97% filtration efficiency for 0.1 to 0.3μm airborne particulates, including pollen, dust, and animal dander allergens. Tested by an independent lab.

• HIGHER AIR INTAKE & LARGER COVERAGE FOR PET LOVERS: this air purifier for home pets is designed with a larger front air inlet and wider dual-side air inlet. Compared to the single air inlet design, it can trap airborne pet hairs and odors more easily. This air purifier for large room can clean up to 2000 ft² per hour
• WASHABLE FILTER: Equipped with a high-efficiency 3-stage filtration system, the air cleaner for pets can effectively filter airborne particles as small as 0.3 microns, such as pollen, dust, and pet dander. Cleaning the pre-filter with water or a vacuum cleaner will help extend the life of the H13 HEPA filter. More activated carbon pellets help absorb a bad odor such as pet odors, fumes and VOCs
• 4 TIMER & 4 FAN SPEED: The room air purifier has 4 adjustable fan speeds. You can choose the fan speed according to the air quality. The higher the wind speed, the faster the purification speed. You can also turn on the timer when you sleep or go out, which are 2/4/6/8h
• QUIET 20DB SLEEP MODE FOR LIGHT SLEEPERS: Worried about your rest being interrupted? Choose our quiet air purifier for bedroom. Noise as low as 20dB in sleep mode. Low noise, low speed and no lights, perfect for a good night's sleep. Even a light sleeper baby or pet can enjoy the fresh and clean air on a quiet night
• ESSENTIAL OIL DIFFUSER & CHILD LOCK: Add essential oil to the aromatherapy pad on top of the pet air purifiers for home pee smell to give a room a pleasant scent. When you use it for the first time, please moisten the cotton pad with more essential oil. Run it with the maximum wind speed for a period of time to let the fragrance gradually spreads to the entire room with the airflow. The thoughtful child lock design can prevent your baby and fur friends from being injured and accidental touching

• Impressive Particle Filtration: AROEVE air purifier utilizes filter that can filter out particles such as smoke, pollen, dander, hair, and more, potentially improving air quality and promoting better health and well-being for you.
• High Circulation Rate: With dual-channel and 360-degree air inlets technology, AROEVE air purifier refreshes the air per hour in rooms up to 287 ft² / 25 m², covering every corner of the room to promote better health for you.
• Low Decibel Operation: AROEVE air purifier operates quietly, especially when the sleep mode is activated, which reduces the fan speed to the lowest setting, effectively eliminating any noticeable sound. The filtered air noise is as low as 22 dB, making it ideal for creating a peaceful and relaxing indoor environment while still providing impressive purification.
• Enjoy Fragrant Air: It features an aroma pad located below the air outlet that allows you to add 4-5 drops of your favorite essential oil (not included). As the purifier circulates fresh air, the fragrance spreads throughout the room, creating a pleasant and healthy environment for you and your family to enjoy.
• Notice: To ensure the health and safety of you and your family, our AROEVE air purifiers are equipped with replacement reminder. A red indicator light will turn on to remind you to replace the filter cartridge. For optimal performance, we recommend replacing the filter cartridge once every 3-6 months. (Note: The voltage of the air purifier is 120V and is suitable for use only in the United States.)

• Air Quality Monitoring: This air purifier is designed with a built-in PM2.5 sensor and real-time display, eliminating the need for guesswork about air quality. In auto mode, when it detects a decline in air quality, the purifier with the indicator changing to green, blue, yellow or red, and the fan accelerating to purify the air more efficiently.
• Remarkable Filtration: Featuring an advanced filtration system, the air purifier effectively removes airborne particles. When activated, this air cleaner can refresh the atmosphere in a space up to 1400 sq ft / 130 m² every 30 minutes, ensuring you enjoy a fresh and comfortable air quality throughout the day in your home or office.
• 3-Stage Advanced Filtration: Our air filter combines a high-efficiency purification filter with 3 layers to can effectively filter out the impurities in the air. This high-performance system delivers thorough air purification, creating a healthier living environment for you and your loved one. (Note: The filter needs to be replaced every 3 to 6 months, and must not be cleaned with water or other liquids.)
• User-Friendly Design: ECOSELF air purifiers for large room boasts an intuitive control panel that is easy to understand at a glance. With three adjustable fan speeds and an automatic mode, easily customize the airflow to suit your needs. The child lock function ensures peace of mind, preventing accidental adjustments by kids and pets.
• Your Peaceful Partner: The sound of the air purifier in sleep mode is virtually silent! With its low noise operation, it creates an ideal atmosphere for a restful night’s sleep. You can rest easy and even the light sleepers can enjoy a refreshing air quality throughout the night.