Loving Air Groom Main Unit Used for about a week. Power supply is AC adapter. Replacement filters are new and unopened, with two included. This product is for small animals and is designed to absorb floating hair during normal times and shedding seasons. The filter can be vacuumed to remove hair clogs, so you can reuse it until it gets dirty. Operation has been confirmed. There were no issues, but please understand that this item has been stored at home.