Pet Allergy Filter - The Pet Allergy Filter is specially engineered to trap and eliminate dander, germs and odors from your pet. * BioGS HEPA filter traps airborne allergens and contaminants down to 0.3 microns in size, 99.97% of the time. * Eliminates many common household odors, VOC"s(volatile organic compounds) and household chemical smells. * Long Life Filters - Lasts up to 2 years based on 12 hours daily operation. 8,700 hours of filter life (approximately 1 year of continuous operation). * Includes all filters needed for replacement. Kit includes (1) Medium Filter, (2) Rabbit Air HEPA filter, (3) Customized Filter: Pet Allergy, (4) Activated Carbon Charcoal Filter.