Many asthma and allergy sufferers swear by using an air purifier, but how do you know how effective your purifier is or whether you have the right filter for your needs? Knowing how air purifiers work will help you to choose the right style to keep the air clean of contaminants.
This type of filter uses a corona discharge – a small but intense electrical field – to charge the molecules in the contaminants in the air. Oppositely-charged particles are then attracted to each other and the positive and negative plates in the ioniser. As the … Read more