Purchased in late July of this year. High-performance oxygen concentrator oxygen generator for pets MAFmini1.0 Operates continuously for over 5000 hours Small pets Small dogs Cats Ferrets Rabbits Guinea pigs Hamsters Momonga (Japanese dwarf flying squirrel) Birds Reptiles Used for a cat for about 2 hours a day until November 7th. Wiped down with hypochlorous acid water, but please forgive any remaining hair. All original accessories at the time of purchase, such as the instruction manual and replacement filters, are included.