Austin Air B410A1, Standard, Sandstone Designed specifically for people with pets looking to remove unwanted odors, pet dander and animal allergens from the home Also ideal for bird and exotic pet owners wanting to remove allergens and particles that can be harmful to their pets True medical grade HEPA filter removes 99.97% of all particles larger than 0.3 microns; proprietary blend of over 780 cubic inches of impregnated carbon and zeolite filtration removes chemicals, gases and odors like ammoniums 3 speed settings for fan; 360 degree intake system draws air into all sides of unit, passing air through a 4 stage filter Reduces pet odors and allergens, night time allergies, asthma attacks, snoring, and helps you sleep better; eases coughing, wheezing, sneezing; reduces dry mouth, runny nose; strengthens the immune system