"These filters can remove up to 99.97% of small airborne particles, including dust, pollen, and mold spores," Dr. John McKeon, the CEO of Allergy Standards and a principal at the Indoor Air ...
What Is a Pollen Allergy? Pollen is a yellow powder made by plants as part of their reproductive cycle. It floats in the air and can enter your mouth, nose, and eyes. Pollen is usually harmless.