Germ Guardian AC5250PT VS. KOIOS Large Air Purifier

HEPA Filter that captures and removes up to 99.97% of allergens and other particles as small as 0.3-microns such as household dust, pet-dander, mold-spores and plant-pollens.

Comes with an inbuilt-timer that can be set from 1-to-8 hours depending on how long you want this device to purify your room air before it shuts down.

Uses an activated charcoal filter to capture and eliminate common odors including cigarette smoke odors.

Room coverage is up to “180Sq.ft.” CARD rating; CADR Smoke - 116, CADR Pollen 128, CADR Dust - 126

Uses optional UV-C light technology that works along with Titanium Dioxide to eliminate airborne germs like; staph, influenza, pneumonia and rhinovirus

Uses a True HEPA Filter to capture and remove up to 99.97% of dust mites. Additionally, it also features a Pre-filter that helps to capture large dust particles.

Uses a Pre-filter with an activated carbon layer to capture and remove pet-odors within your home hence making it a perfect appliance for pet-owners.

Uses a True HEPA Filter to trap and eliminate pollen and other allergy-triggers within your home.

Uses an integrated Pre-filter and Charcoal-filter to trap and eliminate cooking-smoke, cigarette-smoke and other types of smoke that may accumulate within your home

Uses a Hepa-Filter to capture up to 99.97% of allergens including mold. It also uses Pet Pure which is an antimicrobial agent added to the filter to inhibit the growth of mold, mildew and odor-causing bacteria on the surface of the filter.

Uses a Hepa-Filter to remove 99.97% of allergens and other particles 0.3 microns from your home. This actually makes it a perfect home-appliance for allergy sufferers.

Operates quietly even when operating at the highest speed-setting. Also features an ultra-quiet sleep mode that operates at the lowest setting to provide you with optimum peace when sleeping.

Features easy-to-change filters that will need to be replaced after 6-to-8 months or depending on the use of the product. In fact, these 3 filters can be easily accessed by pressing a lock and release button

Features an auto-mode that automatically captures and eliminates 99.97% of dust and allergens as small as 0.3-microns.

Features an ultra-quiet sleep mode uses the lowest speed-setting in-order to ensure optimum silence when you’re sleeping at night.

Uses 63-watts when operating on the highest speed-setting and it use 33-watts when running on the lowest speed setting.

Energy Star Certified because it meets strict energy efficiency guidelines set by the US-EPA

Controls include: A timer-set button, UV-C ON/OFF Button, Fan-speed button, Power on/off button and a filter-reset button. Modes include; the fan-speed mode, UV-C mode and ultra-quiet sleep mode.

Features a filter replacement reminder that alerts you when it’s time to replace the filters. However, its only one single filter that needs to be replaced every 6-8 months

Uses less energy even with long-hours of performance and it is also very affordable.

It is very affordable compared to most air-purifier models within its range.

It is perfect for allergy sufferers including Asthmatic People because of its UV-C light technology that works with Titanium Dioxide to reduce airborne bacteria, viruses, germs and mold-spores

All the filters in this device require a replacement every 6-to-8 months

Tower design – fits in small spaces

28-inch tall with a small footprint coupled with a lightweight body

10.55 pounds