|KOIOS Large Air Purifier||Bissell air400 Air Purifier|
|Child Lock Function||Yes||No|
|For Large Rooms||No||No|
|Removes Cigarette Odor||Yes||Yes|
|Room Size and Airflow||Yes||Yes|
|Ideal for Asthmatic People||Yes||Yes|
|Eliminates Dust Mites||Yes||Yes|
|Removes Pet Dander||Yes||Yes|
|Gets Rid of Pollen||Yes||Yes|
|Filter Replacement Reminder||Yes||No|
|Easy Filter Replacement||Yes||Yes|
|Automatically Detects Airborne Particles||Yes||Yes|
|Size and Appearance||Yes||Yes|
|Filter Life - based on use||Yes||Yes|
|Controls and Modes||Yes||Yes|
KOIOS Large Air Purifier: Uses 3-stages of filtration in-order to remove up-to 99.97% of dust, allergens, bacteria and odors from your home. This device is highly recommended for pet owners, children, elderly or anyone who wants to improve on air-quality within their homes or offices.
Bissell air400 Air Purifier: Room coverage is between 300 Sq.Ft & 400 Sq.Ft. It has a 3 stage filtration system which ensures that all small particles of about 0.3 micron are trapped and filtered. It also uses an activated carbon filter to capture and filter bad odors like cigarette.
KOIOS Large Air Purifier: True HEPA filter that targets germs in the air while filtering microscopic dust, dander, mold-spores and smoke in a circular motion. This makes it 99.97% effective when it comes to removing dust, allergens, bacteria and bad-odors
Bissell air400 Air Purifier: Uses a HEPA filter to capture 99.97% of air contaminants. It works hand-in-hand with the Pre-filter and an activated Carbon filter which captures Odor and germs. It will trap and pull in contaminated air through the back panel, filter it extensively and release it through the top vent.
KOIOS Large Air Purifier: Features an automatic timer that helps to shut-off the unit after 1, 2, 4 or 8 hours of continuous operation. This feature helps to save energy
KOIOS Large Air Purifier: It has a child-lock button that can be pressed to disable all keys when the unit is under operation. This feature is actually very important for people who have kids that like playing around gadgets
KOIOS Large Air Purifier: It is equipped with an advanced carbon-filter that helps to eliminate and neutralizes harsh odors caused by cooking, smoking cigarettes and other natural and unnatural gasses.
Bissell air400 Air Purifier: Features a 1 inch thick activated carbon filter to capture various household odors including cigarette odor.
KOIOS Large Air Purifier: Room coverage of up-to 322sq.ft (30 m²) - thus making it a perfect air-purifier for use in medium sized areas such as living-rooms, bedrooms and even offices. It features a clean air delivery rate (CADR) of 340 m³/H
Bissell air400 Air Purifier: Room coverage is between 300 Sq.ft and 400 Sq.ft. Air flow quality is great, the unit has an auto mode, but while in the auto mode, the CirQulate Syste offers thorough filtration basing on the quality of air in your home.
KOIOS Large Air Purifier: Yes -It is one of the most rated affordable air purifiers on the Market.
Bissell air400 Air Purifier: The unit is Energy Star Certified. It uses 75 watts only while on the highest mode and filters air in your room 3 times per hour. It also has a night mode function which turns off lights on the top of the unit when lights go off in your room.
KOIOS Large Air Purifier: This device is equipped with a True-HEPA filter, Pre-Filter and an Activated Carbon filter which all work together to remove 99.97% of dust, allergens, bacteria and odors from your rooms. This actually makes the air-purifier a perfect choice for Asthmatic People who always require improved air-quality at all times.
Bissell air400 Air Purifier: Right, Its CADR is 279 for Smoke, 307 for Dust and 206 for pollen - so if you have asthma, you will find this unit relevant to your health.
KOIOS Large Air Purifier: The HEPA-filter removes up-to 99.97% germs, bacteria and allergens from your house. Your home will be kept germ-free at all times which helps to reduce on the occurrence of certain diseases caused by germs most especially amongst children
Bissell air400 Air Purifier: Gets rid of germs and bacteria that could cause harm to your health. The HEPA filter traps and removes 99.97% of air contaminants.
KOIOS Large Air Purifier: Yes - It traps and eliminates dust-mites and microscopic dust using the HEPA filter
Bissell air400 Air Purifier: Captures and removes dust mites that hide in thick carpets, sofas, bed sheets, rugs ....etc.
KOIOS Large Air Purifier: It uses an advanced HEPA-filter to capture and eliminate pet-dander while its pre-filter will help to trap pet and human hair coupled with other large-contaminants within air up to 0.3-microns. So, if you have several pets at home then you should consider getting this device.
Bissell air400 Air Purifier: If you suffer from allergies and have asthma - You will notice a huge air quality change when you put this unit in your room. It will get rid of pet dander and dust in your home.
KOIOS Large Air Purifier: This device uses 3-in-1 Air Filter Technology to remove 99.97% of pollen and other particles as small as 0.3-microns in-order to provide you with purely clean air within your home or office.
Bissell air400 Air Purifier: Uses the HEPA Filter to capture and remove pollen that gets into the air you breathe thus saving you from pollen related allergies.
KOIOS Large Air Purifier: This air-purifier uses a carbon-filter to eliminate and neutralize smoke, harsh odors caused by cooking and other natural and unnatural gasses.
Bissell air400 Air Purifier: Can detect and remove smoke from your room. This could be smoke from the kitchen or from a forest fire next to your home
KOIOS Large Air Purifier: It uses a True HEPA filter to trap and filter mold-spores, dust, dander and smoke in a circular motion and after releases purely clean air around your home.
KOIOS Large Air Purifier: It is very affordable yet it can trap and remove 99.97% of dust, pollen, smoke, odor, mold spores, pet-dander and other small particles up to 0.3-microns
Bissell air400 Air Purifier: YES. It is not expensive.
KOIOS Large Air Purifier: This device features a filter replace indicator that will help to remind you when it’s time to change the filters. In fact, only 1 single filter requires to be replaced every 6-months or depending on the usage of the unit while other filters are washable and reusable
KOIOS Large Air Purifier: The True HEPA filter traps and eliminates common allergy-triggers including; pollen dust-mites, mold and other particles within air. So, this makes it a perfect appliance for people experiencing different allergies and seasonal-allergies caused by flying allergens within their homes.
Bissell air400 Air Purifier: Uses its HEPA air filter to capture 99.97% of air pollutants including allergens of all types. , it will trap and remove those small allergens that pets release from their saliva and dander.
KOIOS Large Air Purifier: It features a Whisper-Quiet Sleep Mode which requires you to switch this device into sleep-mode so that it can operate at quiet level of 18-db while providing you with pure and clean air when sleeping at night.
Bissell air400 Air Purifier: Runs quietly and it switches off its indicator lights when you switch off light in your room. You will sleep comfortably without getting any noise pollution.
KOIOS Large Air Purifier: This device features a washable pre-filter that helps to capture large dust-particles and hair. However, the other 2-filters to be replaced every 6 months depending on the use of the air-purifier and air quality in your area.
Bissell air400 Air Purifier: The pre-filter is washable. It traps large particles so that they don't reach the HEPA filter and carbon filter. You can wash it once every week.
KOIOS Large Air Purifier: The design of this device makes it very easy to replace the filters and the integrated replacement reminder will even let you know when it’s time to change the filters.
Bissell air400 Air Purifier: Simply open the purifier from the front panel and remove the old filters to be replaced.
KOIOS Large Air Purifier: It has an auto mode which allows the fan-speed to automatically adjust basing on the live air quality sensor measurements. In fact, this mode can automatically detect airborne particles and even tell you the indoor air quality in every moment while adjusting the speed immediately
Bissell air400 Air Purifier: While in auto mode, the unit's sensors will always be on alert of air contaminants. Once the sensor detects a change in air quality, it adjusts fan speed to increase suction power of the unit.
KOIOS Large Air Purifier: It uses 80-watts of power to provide a powerful air-purification process. In fact, this makes it very powerful yet very efficient since it will save you a lot of money on electricity bills.
Bissell air400 Air Purifier: Uses only 75 watts while on its highest mode
Bissell air400 Air Purifier: Yes, it is energy start certified – your power bills won’t go up the roof.
KOIOS Large Air Purifier: 15 x 8.3 x 23.2 inches
Bissell air400 Air Purifier: Unit Dimension is 16.13 x 9.75 x 24 inches. Control buttons are well positioned at the top and the AirQuality display is positioned at the front panel so you can easily know the quality of air in the room.
KOIOS Large Air Purifier: One of the filters needs to be replaced every 6 months depending on the frequency of use and the air quality in your area. However, other filters are washable and will not require replacement unless they get damaged over time.
Bissell air400 Air Purifier: On average it is 6 months.
KOIOS Large Air Purifier: This device features a Quiet Sleep Mode that can be turned-on to allow the unit to operate at quietest level of about 18-db. Additionally, this mode features lights that dim in-order to provide you with the most restful sleep coupled with pure and clean air.
Bissell air400 Air Purifier: Its called a Night Mode. The unit will detect that your room has got dark, so the white lights on the top of the unit will turn off and also the color wheel will go dim.
KOIOS Large Air Purifier: This air-purifier is 100% Ozone-Free and this means that is safe for the environment since it doesn't emit dangerous chemicals into the atmosphere and within your house.
Bissell air400 Air Purifier: YES
KOIOS Large Air Purifier: It features touch switch controls that are very easy to operate - coupled with 3 fan speeds of low, medium and high that can be easily set to get the air-quality you prefer. Additionally, there is an auto-mode function which allows the fun-speed to automatically adjust basing on the air quality sensor measurements.
Bissell air400 Air Purifier: All controls are found at the top of the unit. Modes include: Auto mode (auto detects air contaminants), Turbo mode (highest mode) and Silent mode (lowest mode - ideal for night time when you're sleeping).
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