The lowest speed may provide even quieter operation but will not be as effective at cleaning the air. The size of the room best suited for the air purifier ... score for the Therapure TPP240 ...

The ToLife machine has a HEPA filter, which is considered the gold standard in air purification. It captures particles down ...

The lowest speed may provide even quieter operation but will not be as effective at cleaning the air. The size of the room best suited for the air purifier ... score for the Therapure TTP640 ...

A slight downside to activated-carbon filters is that they can require frequent replacement, and the housing inside the air purifier should be cleaned periodically to remove smells and prevent ...

Topping that list are Coway, IQAir, Whirlpool, Therapure, and Blueair. Falling slightly behind with very good reliability ...

Air filters can be like a lifesaver for your vehicle. But, do you know how often it is advisable to change them? We will tell ...

Each Dyson air purifier is fully sealed to meet the HEPA H13 standard, ensuring that allergens, pollutants and other airborne particles remain trapped inside the device. The replaceable HEPA ...

The air purifier’s filter replacement indicator can help you keep your unit running properly by alerting you to the need to wash the pre-filter or replace the Max2 Filter. With standard use ...

The fragrance from the Odor Neutralizer Technology cartridge will also fade over time, but Shark sells replacement cartridges in a two-pack for about $15. The Shark air purifier comes with a two ...