Honeywell 50250S VS. Germguardian Ac4100

It comes with a HEPA-Filter that captures 99.97% of dust and airborne-allergens as small as 0.3-microns at an efficiency of 99.97%.

The charcoal pre-filter helps to capture and reduce common odors within your home including; cigarette-odor.

This unit is designed for use in smaller rooms with sizes of up-to 78sq.ft. Additionally, it takes in polluted-air at the back and then gives-off purified-air at the front.

It uses UVC-light technology coupled with Titanium Dioxide to kill airborne germs, bacteria and viruses.

Its HEPA filter can trap and eliminate 99.97% of dust-mites and other airborne-pollutants. Likewise, its charcoal pre-filter will capture large dust-particles.

Uses a HEPA-filter to trap and eliminate pet-dander down to 0.3-microns at an efficiency of 99.97%.

This unit can effectively remove pollen from your house using a HEPA-filter.

Uses a charcoal pre-filter to capture large-particles and to eliminate smoke caused by cooking and cigarettes.

Uses UVC-light technology and a HEPA-Filter to kill and prevent the growth mold-spores within your home-environment.

It uses a HEPA Filter to capture and eliminate 99.97% of Allergens and other airborne-pollutants as small as 0.3-microns.

The 3-speed-control includes a low-speed-setting that runs an ultra-quiet level making this unit perfect for use in the bedroom and office areas.

You just have to remove the back-panel to access and change the filters without needing any professional help.

This device uses less than 40-watts on the highest speed-setting and less than 8-watts on the low speed-setting. it even features a voltage of 120V at 60Hz.

This unit is energy-star rated for its minimal power-consumption at a low fan-speed.

Features an easy-to-use, round front dial knob control for adjusting to 3 fan-speeds coupled with a filter-change-indicator & UV-C light on/off-button.

There is a filter change indicator that will help to remind you when to replace the filters.

It won't have a negative-impact on your electricity-bills even if you run it 24×7 because of its low power-consumption.

This device is very affordable and equipped with some great features you will ever find on an entry-level air-purifier.

It uses a HEPA-filter to reduce on dust and airborne-allergens down to 0.3-microns making it ideal for use by asthmatic-people.

The Charcoal Pre-filter and HEPA filter should be replaced after 6-to-9 months of use while the UV-light/ PCO-filter should be replaced after 10-to-12 months of use.

This device can purify room-air without producing harmful-ozone because it uses advanced technologies like; UV-C light.

Has a compact and lightweight speaker-like design with a round front dial knob control coupled with air-inlets at the back and air-outlets at the front.

Features dimensions of: 7.5"L x 6.38"W x 10.38"H coupled with a box, compact multi-color body made of durable ABS-Plastic.

4.85-pounds which make it very lightweight and easy to carry or move.