Adopting a pet or two can be lots of fun but you will have to deal with their mess and odor. The PETONEER AOE010 pet odor eliminator can help. It freshens up the air in your home and uses ozone to clean the air. It has IR sensors to tell when your pets enter and starts the process when they leave.
The device runs for up to 4 days on battery. It is available for under $50 at this time.