The Purivortex AC300 true HEPA air purifier is designed for large rooms and can effectively capture dust, smoke, and pet allergens. With a filter life of 6 months, this tower-style air filter in white color is perfect for floor mounting to improve indoor air quality. The advanced filtration technology ensures that the air in your home is clean and free from harmful contaminants, making it ideal for those suffering from allergies. We have a bad problem with allergies and we put one of these in our bedroom and all I can say is WoW!! It made such a difference just with the pollen that we wake up with out our noses stopped up and it being hard to breathe. Believe me you will love this one.