Ionizer Air Purifier Buying Guide
No matter the season, clean air is important for your lungs, blood circulation, heart, and overall physical health. But it’s possible the air inside your home is dirtier than you think.

According to the Environmental Protection Agency, the concentration of certain pollutants is often two to five times higher indoors than outdoors. 

Pollutants—such as smoke from tobacco, burning wood, and cooking; gases from cleaning products and building materials; dust mites; mold; and pet dander—contribute to a poor indoor environment that can have ill effects on the body. These hazardous conditions are compounded by the presence of wildfires like the ones in California and the Midwest—as well as the coronavirus, if someone at home is sick with COVID-19. (For everything you need to know about the pandemic, see CR’s Guide to the Coronavirus.)

Fine particles 10 micrometers in diameter or smaller, including those found in dust and smoke, are especially a concern because they can make their way deep into the lungs. Breathing them in for even just a few hours is enough to aggravate lungs and trigger asthma attacks. Inhaling them has also been linked to heart attacks in people with heart disease. Studies show that long-term exposure to high particle levels may even cause bronchitis, impaired lung function, and premature death. 

Volatile organic compounds (VOCs), including formaldehyde, are released into the air from adhesives, paints, and cleaning products. Exposure to VOCs can cause nose, throat, and eye irritation; headaches; nausea; and damage to the liver, kidneys, and nervous system. Some gases, such as radon, can cause lung cancer and death.
HEPA Filter Cleaner Smart Air Purifiers Filters for Bedroom
Medek HEPA Filter Cleaner Air Purifier Amazing Features
We at Medek are taking a step forward in making our everyone's lives healthier by helping them breathe fresh and pollutant-free air. With this mission, we tried every effort to build a professional product team with Air Purifier Experts, well-tested and certified by world-class professional organizations: AHAM VERIFIDE, FCC CERTIFICATION, ENERGY STAR, ETL LISTED. Now we are proud to releasing the Next Gen. Air Purifier - Medek:

High Efficiency: With the upgraded 3-stage filtration system, the True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns.
Great Value & Affordable Filter Replacement: The same true HEPA filtration purifiers that cost 10x more with other brands is the same great value with zero corners cut in quality. It is recommended to replace a new filter every 6-8 months.
Smart Choice for Small Rooms: Fits anywhere and features a wide coverage with SWEEP360° air-duct design. Alviera refreshes the air 5 times per hour in rooms as large as 219 ft² / 20 m², 3 times per hour in rooms as large as 397t² / 37 m², especially for bedroom. Sweep360° TECHNOLOGY - Reduces air loss by 32% and increases air intake by 47%. It's faster to purify your room.
Quietter Gen 2.0 TECHNOLOGY: Meets the strictest requirements set by the EPA. 24/7 guilt-free clean air! Built-in advanced Quietter Gen 2.0 noise reduction technology, maintains 24db noise at the lowest speed, ensuring Alviera won’t disturb your sleep.
Sleep Well Every Night: Aromatherapy lovers can optionally apply their favorite essential oils to the scented aroma pad to quickly create the ultimate atmosphere.Comes with sleep air mask. Fresh air + relief esseintial oils blending + sleep eye mask = excellent sleep.
Easy to Use & Children Lock Design: Modern aesthetic with easy-to-use touch screen and child-lock button, in case HEPA Filter Cleaner gets pressed by mistake.
Choose Your Specialized Filter: For different enviroments, you can choose to replace 1 of 4 Official Specialized Replacement Filters: True HEPA 3-Stage Original Filter (default filter, no need to purchase), True HEPA 3-Stage Pet Allergy Filter, True HEPA 3-Stage 

The same true HEPA filtration as purifiers costs 2x, 5x, 10x more. Pristine air without breaking the bank! Other affordable purifiers make up the difference in filters. Not Hynik! Same great value with zero corners cut in quality.

Original Fitler: Captures fine particles such as dust mites, pollen, pet dander, and mold spores while adsorbing common household smells such as pet odors and cooking smells. Best suited for: allergens, dust and minor odors.
Pet Allergry Filter: Based on all the benefits of the Original Filter, built-in a High-Efficiency Activated Carbon Filter which is more effective for strong smells, customized for pet odors and cooking smells. Best suited for: pet allergens, unpleasant smells.
Toxin Absorber Filter: Based on all the benefits of the Original Filter, built-in a High-Efficiency Activated Carbon Filter which is more effective for strong smells and smoke, customized for air pollution, cigarette smoke, vehicle exhaust, toxic gases and fumes, volatile organic compounds, and wildfires smokes. Best suited for: air pollution, smoke.
All-Round Filter: This is a Newest Full-upgraded filter for all environments. Get all benefits from Hynik replacement filters mentioned above, but also comes with a Dual Sided Pre-Filter which is more effective in filtering ash and pollution from wildfires. Best suited for: all.
Ionizer Air Purifier True HEPA Filter Filtration System Cleaner Odor Eliminators
Ionizer Air Purifier True HEPA Filter Filtration System Cleaner Odor Eliminators for Home Large Room and Bedroom with True HEPA Filter, 100% Ozone Free Air Cleaner for Smokers, Pet and Allergies Remove 99.97% Allergens, Dust, Odor, Smoke, Pollen