Replacement HEPA & Carbon Filters by LifeSupplyUSA, Compatible with Blueair Sense and new Blueair Sense + Air Purifiers! Air purifiers are a must for allergy sufferers. Reduce allergens, odors, bacteria and contaminates to help your family breathe easier! This is a high quality replacement part by LifeSupplyUSA, exclusively for sale by LifeSupplyUSA. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility.