Rabbit Air Original MinusA2 filter replacement kit [Germ] Germ Defense Filter - The Germ Defense filter is specially engineered to effectively trap and reduce airborne bacteria, mold spores and particles that carry viruses. 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: Germ Defense, (4) Activated Carbon Charcoal Filter.